Contents

The Best Hot Tub Filter Cross Reference of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Hot Tub Filter Cross Reference of 2023. Check our ranking below.

2,225 Reviews Scanned

Rank No. #1

Yougfin PRB-25IN Filter Cartridge, Hot Tube Filter, Spa & Pool Filter Replaces

Yougfin pool filter cartridges are designed to remove impurities from your pool water and keep it clean and clear.
【CHOOSE THE BEST-MATCHED DIMENSION】: Measured with an outer diameter of 5" (127mm), an inner diameter of 2-1/8"(54mm), a height of 13-1/3"(338mm), 25sq.ft. This product comes in a package of two filters, so you can keep one as a backup or use them interchangeably. With this best overall option, your swimming area will be ready for any summertime activity.
【NSF CERTIFIED MATERIAL】: Made of durable reinforced polyester fiber, these filters are also reusable, making them a cost-effective solution for your pool maintenance needs.
【EASY CLEANING & MAINTAINING】: With the help of our filters pool filter cartridges, you’ll have an easy time eliminating dirt or debris from your pool water. These powerful pool filter cartridges can efficiently remove hair, leaves, dust, sediment, and even sand from your pool water, keeping it clean and fresh all season long.
【100% SATISFACTION】: Filters are very necessary for pool maintenance. No matter how beautiful the water in your pool looks, if it weren’t for filters, it'd start looking much less appealing in no time. *TIPS*:If there are any quality issues, pls feel free to contact us for a replacement or refund.

Rank No. #2

2 Pack Guardian Pool Spa Filter Replaces Watkins Hot Springs Unicel C-6430 Pleatco PWK30 Filbur FC-3915-30 Sq Ft.

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PWK30, Filbur FC-3915, Unicel C-6430. Alternative filter names: 31489, 73178, Tri-X, 71825, 75041, 0969601, APCC7095, 13004, PKW30, APCC7095M, SD-01242, 090164824000, PWK 30, PDC510-AFS. Filters May Be Green or Blue
✅ DIMENSIONS - This replacement pool filter cartridge has an open 1 15/16 inch (1.9375") top, 1 15/16 inch (1.9375") open hole bottom, 5 7/8 inch (5.875") diameter and 10 1/2 inch (10.5") length. The 30 sq. ft. of premium filter material is easier to clean, filters better and lasts longer.
✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.
✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories...Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

Rank No. #3

PELLUCID Hot Springs Spa Filters Compatible with Watkins 31489, Pleatco PWK30, Unicel C-6430, Filbur FC-3915, P/N0969601, Spa Filter with Advanced Filtration System for Longer Life-3 Pack

【Compatibility】Height 10 1/2";Outer Diameter: 5 7/8"; Top Opening: 1 15/16"; Bottom Opening: 1 15/16". This pool filter is compatible with Unicel C-6430, Watkins 31489, PLEATCO PWK30, Filbur FC-3915, 73178, 73250, 71825, P/N0969601. #PLEASE NOTE: Our Spa filter are NOT original filters. PELLUCID is an independent manufacturer/Brand to design and produce water filters#
【Easy to Clean】Benefited from innovative and high-performance Trilobal fabric Design, PELLUCID filter cartridges are easier to capture and release dirt, so you can always keep your pool and spa clear and safe for you and your family. It is recommended that you can scrub every 2 weeks the fabric with a cartridge cleaner tool and rinse it with a garden hose.
【Premium Material】We're committed to creating affordable, high quality pool filters to ensures safe and healthy pool water. The filter fabric material is innovative Trilobal filter material for handling water contaminants on a higher level hardly comparable. The End Caps is made from durable, chemical resistant compounds. And the backbone constructed of high quality carbon fiber is solid one-piece construction for structural integrity.
【Advanced Filtration System】Keep your pool water clean and clear with the help of this high quality pool filter cartridge. Better than other normal fabric, our innovative Trilobal fiber provide maximum dirt holding capacity, high efficiency filtration system,and excellent chlorine Resistance. Effectively eliminates pollen, hair, dirt, leaves, dust, sand, debris and more. Embrace the Tranquility of Perfectly Filtered Pool Water.
【Longer Life with Sturdy Core】Made of premium carbon fiber which is lighter and stronger, the backbone provide greater structural integrity for longer life. Never worry about being crack during normal use. Once you get our on-budget pool filters for inground pools you will use them for months to come with satisfaction.

Rank No. #4

TOREAD Replacement for Spa Filter PRB25-IN, Unicel C-4326, Filbur FC-2375, FC-2370, R173429, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, Guardian 413-106, 5X13 Drop in Spa Filter, 1 Pack

【NSF/ANSI 50 CERTIFIED】 TOREAD Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. The filter with certified safe materials provides you with clean, fresh and clear water. Only select certified filters for your family to ensure the safety, health and happiness of your loved ones.
【REPLACEMENT MODELS】TOREAD TRF-4326 filter compatible PRB25-IN, Unicel C-4326, FC-2370, SD-00196, SD-00657, 303909, M-4326, 8172500, PLE-051-9174, PLE-051-9395, 645544023759, P-4326. Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. TOREAD is an independent brand.
【REINFORCEMENT STRUCTURE】With 25% thicker filtration fabric, heavy chlorine resistant and break-resistant end caps and reinforced center support, the filter delivers high powered propulsion flow, and crystal clear water, providing you with a relaxed and healthy enjoyment.
【MORE EFFICIENT FILTRATION AREA】Uniformity and high-performance trilobal fabric has 21-40% higher capacity compared with common point-bond fabric. The trilobal shape of fabric fibers also helps catch particles, increases efficiency without the pressure drop penalty, and helps reduce filter cleanining frequency.
【6-MONTH RETURN POLICY GUARANTEED!】Product Life Time Warranty on Every Filter Confirmed with Defects in Material, Workmanship, and Any Filter Caused Malfunction within Each Filter's 12-Month Service Life. We promise a risk-free shopping experience backed up with our reliable customer service and technical support team which is located to Los Angeles.

Rank No. #5

Wowreed Spa Filter Compatible with 303279, FC-2402, Free Flow,AquaTerra, Fantasy Hot Tub Filter, 1 1/2" Finer Thread (1 Pack)

REPLACEMENT MODELS: Compatible with 303279, FC-2402, Free Flow Hot Tub Filter.Note: All manufacturers' names and part numbers remain the property of their respective holder(s) and are used for compatibility information only.wowreed is an independent brand.
SPECIFICATIONS: Length: 9 1/2”; Outside Diameter: 5 3/8"; Top: Closed with String Handle; Bottom: 1 1/2" MPT Thread.
EASY TO CLEAN: This filter utilizes fabric structure design so as to make the impurities easy to be released and washed. It is recommended to wash the filters every 2-6 weeks in order to maximize the performance and capacity of it. In addition, Our premium filter material keeps your water clearer and easier to clean.
LONG SERVICE LIFE: The filters are with solid end caps and qualified material, which can be used repeatedly. Longevity, endurance as well as quality is ensured.
RETURN POLICY: If there is any problem, feel free to contact us.Six-Months Return Policy is Guaranteed. We promise a risk-free shopping experience with our reliable Quality Control, Customer Service and Technical Support Team.

SaleRank No. #6

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 1 Pack

【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique SPA time.
【Replacement Models】Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open. PLFPRB25-IN filter compatible PRB25-IN, Unicel C-4326, Filbur FC-2375, FC-2370, SD-00196, 303909, M-4326, 8172500, R173429. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your spa and hot tub.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the best quality at good price.

Rank No. #7

ROLFILLT PWK30 Replaces Hot Spring Spa Filters，Compatible Watkins 31489,Unicel C-6430, Filbur FC-3915, P/N0969601, 71825, 73178, 73250,30 sq.ft. 3 Pack

✅【PLACEMENT MODELS】60602 Filter compatible with Watkins 31489, Pleatco PWK30, Unicel C-6430, Aladdin 13004, 13004ECO, PLE-051-9186, PLE-051-9670, SD-00328, SD-00704, SD-00703, 46200. Length: 10 1/2”; Outside Diameter: 6”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. ROLFILLT is an independent brand.
✅【NSF CERTIFIED】Rolfillt spa&pool filter with NSF certified safe materials provides you with clean, fresh and clear water. Only select quality guarantee filters for your family to ensure the safety, health and happiness of your loved ones.
✅【EASY TO CLEAN】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.
✅【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the best quality at good price.
✅【ROLFILLT SLOGAN】Rolfillt Protect Your Health.

Rank No. #8

Mamokin 303279 Hot Tub Filter Replaces Filbur FC-2402, 5CH-37, PFF42TC-P4, 78460 and Lifesmart, AquaTerra, Fantasy, Freeflow, Simplicity, Bermuda, Aspire, Azure, Spa Filter-2 Pack

✅Compatible Models：Mamokin 303279 Compatible with Filbur FC-2402, 5CH-37,PFF42TC-P4,78460 and Lifesmart,AquaTerra,Fantasy,Freeflow,Simplicity, Bermuda,Aspire,Azure, Spa filter.NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. MAMOKIN is an independent brand.
✅Size：Length: 9-3/8"; Outside Diameter: 5-3/16"; Top: Closed with String Handle; Bottom: 1-1/2" MPT Threaded.Please check your Models and Size before Purchase!
✅Premier Performance：Mamokin filter high quality and premier performance,brings you safe,clear purified water and your unique SPA time.
✅Easy cleaning：The Improved Trilobal Fabric Filter Structure makes it easier to wash/clean to repair the filter.For better use experience and effect, it is recommended to clean it every two weeks.
✅Long service time：The filter designs to well extend the service life and keep pollutants away from clean water. The filter life exceeds 1 year based on normal wear.

Rank No. #9

Cryspool PRB25-IN Spa Filter Compatible with Unicel C-4326 Hot Tub Filter, Filbur FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500,5X13 Spa Filter 25 sq.ft,2pack

【SIZE】 Length 13 5/16'' ;Out diameter 5'' ;Bottom hole 2-1/8'' ;Top hole 2-1/18'';Filtration Area: 25 sq. ft.
【REPLACEMENT MODELS】Compatible with Unicel C-4326, FC-2375 , PRB25-IN,303909, M-4326, 8172500, R173429,5X13 Drop in hot tub filter,Note: this is a compatible spare part. The manufacturer’s name and part number have been used for reference purposes only. CRYSPOOL is an independent brand.
【QUALIFIED MATERIAL】 The advanced material of trilobal fibers is utilized. Cutting-edge technologies make the capacity higher than common point-bond fabric. It makes water filtration more thoroughly and service life longer.
【EASY CLEANING】 The Improved Trilobal Fabric Filter Structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance.
【QUALITY GUARANTEE】Six-Months Return Policy Guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products. And we are equipped with professional customer service to provide technical support for every customer.

Rank No. #10

Guardian Filtration Products 409-219-02 Two-Pack Pool & Spa Filter Replacement for Pleatco PRB35-IN, Unicel C-4335, FC-2385, Rainbow Dynamic Series IV | Premium Cartridge Filter Double Pack

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PRB35-IN, Filbur FC-2385, Unicel C-4335. Compatible for Rainbow Dynamic Series IV and more. Filters May Be Green or Blue
✅ DIMENSIONS - This replacement pool filter cartridge has a 2 1/8 inch (2.125") open hole top, 2 1/8 inch (2.125") open hole bottom, 5 inch (5") diameter and 9 1/4 inch (9.25") length. The 35 sq. ft. of premium filter material is easier to clean, filters better and lasts longer.
✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.
✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories...Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

Rank No. #11

Mamokin FC-2402 Hot Tub Filter Replaces Watkins 303279, 5CH-37, PFF42TC-P4, 78460 and Lifesmart, AquaTerra, Fantasy, Freeflow, Simplicity, Bermuda, Aspire, Azure, Spa Filter - 1 Pack

✅Compatible Models：Mamokin 303279 Compatible with Filbur FC-2402, 5CH-37,PFF42TC-P4,78460 and Lifesmart,AquaTerra,Fantasy,Freeflow,Simplicity, Bermuda,Aspire,Azure, Spa filter.NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. MAMOKIN is an independent brand.
✅Size：Length: 9-3/8"; Outside Diameter: 5-3/16"; Top: Closed with String Handle; Bottom: 1-1/2" MPT Threaded.Please check your Models and Size before Purchase!
✅Premier Performance：Mamokin filter high quality and premier performance,brings you safe,clear purified water and your unique SPA time.
✅Easy cleaning：The Improved Trilobal Fabric Filter Structure makes it easier to wash/clean to repair the filter.For better use experience and effect, it is recommended to clean it every two weeks.
✅Long service time：The filter designs to well extend the service life and keep pollutants away from clean water. The filter life exceeds 1 year based on normal wear.

Rank No. #12

PELLUCID Hot Tub Filter Compatible with Unicel 4CH-949, Pleatco PWW50L, Filbur FC-0172, SD-01143, 817-4050, Rising Dragon 50, Easy to Clean and Reuse, Advanced Spa Filter with Long Life

【Compatibility】Height 13 3/16"; Outer Diameter: 5"; Lower Opening: 1 1/2" FEMALE SAE. This hot tub filter is compatible with Filbur FC-0172, SD-01143, 817-4050, Unicel 4CH-949, Pleatco PWW50L,Waterway Teleweir 50Rising Dragon 50. #PLEASE NOTE: Our Spa filter are NOT original filters. PELLUCID is an independent manufacturer/Brand to design and produce water filters#
【Easy to Clean】Benefited from innovative and high-performance Trilobal fabric Design, PELLUCID spa filter cartridge are easier to capture and release dirt, so you can always keep your pool and spa clear and safe for you and your family. It is recommended that you can scrub every 2 weeks the fabric with a cartridge cleaner tool and rinse it with a garden hose.
【Premium Material】We're committed to creating affordable, high quality pool filters to ensures safe and healthy pool water. The filter fabric material is innovative Trilobal filter material for handling water contaminants on a higher level hardly comparable. The End Caps is made from durable, chemical resistant compounds. And the backbone constructed of high quality carbon fiber is solid one-piece construction for structural integrity.
【Advanced Filtration System】Keep your pool water clean and clear with the help of this high quality pool filter cartridge. Better than other normal fabric, our innovative Trilobal fiber provide maximum dirt holding capacity, high efficiency filtration system,and excellent chlorine Resistance. Effectively eliminates pollen, hair, dirt, leaves, dust, sand, debris and more. Embrace the Tranquility of Perfectly Filtered Pool Water.
【Longer Life with Sturdy Core】Made of premium carbon fiber which is lighter and stronger, the backbone provide greater structural integrity for longer life. Never worry about being crack during normal use. Once you get our on-budget pww50 spa filter you will use them for months to come with satisfaction.

Rank No. #13

Cryspool Spa Filter Compatible with Unicel 6CH-47, Filbur FC-0315, PTL47W-P4,373043 Hot Tub Filter,2 Pack

【SIZE】Length: 9"; Outside Diameter: 6"; Top Opening: Handle; Bottom: 1 1/2"Finer Thread(MPT), Male Thread.
【COMPATIBLE MODELS】 Compatible with Unicel 6CH-47, Filbur FC-0315, Aber Hot Tub 03FIL1500, PTL47W-P4.Note：The manufacturer’s name and part number have been used for reference purposes only. CRYSPOOL is an independent brand.
【QUALIFIED MATERIAL】The advanced material of trilobal fibers is utilized. Cutting-edge technologies make the capacity higher than common point-bond fabric. It makes water filtration more thoroughly and service life longer.
【EASY CLEANING】The Improved Trilobal Fabric Filter Structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance.
【QUALITY GUARANTEE】Six-Months Return Policy Guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products. And we are equipped with professional service to provide technical support for every customer.

Rank No. #14

ROLFILLT 6CH-940 Spa Filter Replaces PWW50P3(1 1/2" Coarse Thread), Filbur FC-0359, 25252, 03FIL1400,Waterway 817-0050 Front Access Skimmer, Screw in SAE Thread Filter 2 Pack

【PERFECT FITMENT】Summer PooL & Spa Filter compatible with Unicel 6CH-940, PWW50P3(Not PWW50P4), Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. Replace the pool cartridges for Intex above ground pool pump. PlEASE CHECK YOUR MODELS BEFORE PURCHASE!
【DIMENSION & COMPATIBILITY】Length: 8.3 in; Outside Diameter: 6 in; Top: Circular Handle; Bottom: 1.5 in SAE thread; Filtration Area: 45 sq. ft. This size and type of hot tub filters makes water in summer waves pool much cleaner and cozier to swim in.
【POWERFUL FILTRATION PERFORMANCE】 pool spa filter has the function of efficiently locking and wiping leaves, dust, sand, sediment, hair, etc, which provides a clean environment for you and your family to relax in the spa and hot tub.
【DURABLE AND LONG-LASTING】The filter designs to well extend the service life and keep pollutants away from clean water. The filter life exceeds 1 year based on normal wear.
【EASY TO CLEAN】The Hot Tub Filter adopts trilobal fabric structure design which makes the impurities easy to be released and washed. We reccomand cleaning cartridges every 2 weeks in order to maxmize the performance of spa filters.

Rank No. #15

POOLPURE PAS50SV-F2M Spa Filter Replaces Unicel 6CH-502, Filbur FC-0311, Excel Filters XLS-604, Baleen AK-90161, Magnum AR50, Master Deluxe M60506 Hot Tub Filter, 2 Pack

【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique leisure time.
【Compatible Models】 Length: 8"; Outer Dimension: 6 3/4"; Top: Handle; Bottom: 2" MPT. PLF6CH-502 pool filter compatible PAS50SV-F2M, Unicel 6CH-502, Filbur FC-0311, Excel Filters XLS-604. NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. We are committed to providing the best quality at good price.

SaleRank No. #16

POOLPURE 6CH-940 Spa Filter Replaces PWW50P3(1 1/2" Coarse Thread), 817-0050, Filbur FC-0359, 25252, 03FIL1400, Waterway Front Access Skimmer, Screw in SAE Thread Filter 2 Pack

【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique SPA time.
【Replacement Models】 Length: 7 5/8"; Outside Diameter: 6"; Top: Circular Handle; Bottom: 1 1/2" SAE thread; Filtration Area: 45 sq. ft. PLF6CH-940 Hot Tub compatible PWW50P3(Not PWW50P4), Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the best quality at good price.

Rank No. #17

Guardian Filtration - Hot Tub & Spa Filter Replacement for Pleatco PWK65, Unicel C-8465, Filbur FC-3960 | 65 Sq. Ft. of Premium Filter Cartridge Material | Model 810-235…

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible replacement for Pleatco PWK65, Unicel C-8465, Filbur FC-3960. See below for alternate filter names. Filters May Be Green or Blue
✅ DIMENSIONS - This replacement pool filter cartridge has the following measurements: Diameter: 8 1/2" Length: 10 1/2" Top Hole: 3" Bottom Hole: 3"
✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.
✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories...Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

Rank No. #18

PELLUCID 6CH-940 Spa Filter Compatible with Pleatco PWW50P3(1 1/2" Coarse Thread), 817-0050, Filbur FC-0359, Waterway Front Access Skimmer, Viking Spa Hot Tub Filter, Easy to Clean and Reuse, 2 Pack

【Compatibility】Height 7 5/8"; Outer Diameter: 6"; Top: Circular Handle; Bottom: 1 1/2" SAE thread. This pww50 spa filter is compatible with Unicel 6CH-940, Filbur FC-0359, PWW50P3(Not PWW50P4), Waterway Plastics 817-0050, 25252, 378902, 03FIL1400, HTF0245RT. #PLEASE NOTE: Our Spa filter are NOT original filters. PELLUCID is an independent manufacturer/Brand to design and produce water filters#
【Easy to Clean】Benefited from innovative and high-performance Trilobal fabric Design, PELLUCID hot tub filters replacements are easier to capture and release dirt, so you can always keep your pool and spa clear and safe for you and your family. It is recommended that you can scrub every 2 weeks the fabric with a cartridge cleaner tool and rinse it with a garden hose.
【Premium Material】We're committed to creating affordable, high quality pool filters to ensures safe and healthy pool water. The filter fabric material is innovative Trilobal filter material for handling water contaminants on a higher level hardly comparable. The End Caps is made from durable, chemical resistant compounds. And the backbone constructed of high quality carbon fiber is solid one-piece construction for structural integrity.
【Advanced Filtration System】Keep your pool water clean and clear with the help of this high quality pool filter cartridge. Better than other normal fabric, our innovative Trilobal fiber provide maximum dirt holding capacity, high efficiency filtration system,and excellent chlorine Resistance. Effectively eliminates pollen, hair, dirt, leaves, dust, sand, debris and more. Embrace the Tranquility of Perfectly Filtered Pool Water.
【Longer Life with Sturdy Core】Made of premium carbon fiber which is lighter and stronger, the backbone provide greater structural integrity for longer life. Never worry about being crack during normal use. Once you get our on-budget hot tub spa filters you will use them for months to come with satisfaction.

Rank No. #19

PACETAP 1 1/2" SAE Thread Screw in Spa Filter Replacement for Pleatco PWW50P3(NOT PWW50P4), for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, 2 Pack Spa Hot Tub Filter for Viking

💦【Detailed Specifications】-Length: 8 1/4''; Outside Diameter: 6''; Bottom: 1 1/2" SAE thread; Top: Circular Handle; Filtration Area: 45 sq. ft. Please confirm the detailed size before purchasing!
💦【Compatible Models】-The hot tub filter is Compatible with Pleatco PWW50P3 (NOT PWW50P4), FC-0359, Unicel 6CH-940, Filbur FC-0359, Waterways 817-0050 ect..
💦【Strong Filtering Effect】-The filter is made of high-performance trilobal fiber, which makes the capacity higher than ordinary point-bonded fabrics, improves the filtration efficiency and makes the water filtration more thoroughly. He can effectively remove hair, leaves, dust, sediment, sand, etc. from the water, allowing you to enjoy a pleasant time in clean waters!
💦【Easy to Clean】-Pool filters are very easy to clean, just rinse them with clean water and they will look new and reused.
💦【Long Service Life】-Each filter has a service life of more than 12 months, if there is any quality problem within 6 months, we promise to return it! If you have any questions, please do not hesitate to email us, we will provide you with the most satisfactory service!

Rank No. #20

Guardian Filtration - 2 Pack Spa and Hot Tub Filter Cartridge Replacement Pleatco PAS50SV-F2M, Unicel 6CH-502, Filbur FC-0311 | Compatible for Artesian Spas, Majestic Industries | Model 6H8-199

✅ Filters May Be Green or Blue ✅ REPLACEMENT FILTER - Get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PAS50SV-F2M, Unicel 6CH-502, Filbur FC-0311. Fits Artesian, Majestic Industries and more. Filters May Be Green or Blue
✅ DIMENSIONS - This replacement pool filter cartridge has an handle top, 2 inch (2") MPT threaded bottom, 6 3/4 inch (6.75") diameter and 8 inch (8") length. Features 50 sq. ft. of premium filtration fabric for longer life.
✅ MULTI PACK SAVINGS - Choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
✅ EASY TO CLEAN - Guardian Filtration Products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Our premium filter material keeps your water clearer and is easier to clean.
✅ Guardian Filtration Products has been operating out of Northwest Pennsylvania since 2003. We're committed to creating affordable, high quality pool filtration products and accessories...Click Add-to-Cart or 1-Click Buy to order your pool/spa filter cartridge today!

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How big should a hot tub filter be?

A: Note: Measurements may vary by about 1/8″ due to expansion, shrinkage, etc. For example, if you measure as a 5″ diameter, and can’t find a match, it may actually be a 4-15/16″ filter, etc. Now measure the length, from outside of end cap to outside of end cap.

Q: Do you need two sets of Spa filters?

A: Without the right spa filter cartridges, spa chemicals and clarifiers, water will look awful and may even prove dangerous. Taking care of pool and spa filters right does call for having at least two sets. This makes it easier for a pool or spa to remain in commission while one set is being cleaned.

Q: Can a worn out spa filter affect water quality?

A: No single factor is more essential for hot tub or pool water quality than your filtration system. A soiled, clogged or worn-out spa filter will fail in its job of trapping contaminants. Old filters also put strain on your spa’s pump and other equipment, which can waste energy dollars and reduce water circulation.

Q: Do you need to sanitize your hot tub filter?

A: Note: Antimicrobial properties are built in to the blue filter media to inhibit the growth of bacteria that may affect this product. The antimicrobial properties do not protect users or others against bacteria, viruses, germs, or other disease organisms. A sanitizer is still required to maintain spa water quality.