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The Best Watkins 31489 of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Watkins 31489 of 2025. Check our ranking below.

2,039 Reviews Scanned

Rank No. #1
TOREAD Watkins 31489 Replacement Filter, Compatible Pleatco PWK30, Unicel C-6430, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter (3)
TOREAD Watkins 31489 Replacement Filter, Compatible Pleatco PWK30, Unicel C-6430, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter (3)
  • 【REPLACEMENT MODELS】TOREAD TRF-6430 filter compatible Watkins 31489, Pleatco PWK30, Unicel C-6430, Aladdin 13004, 13004ECO, PLE-051-9186, PLE-051-9670, SD-00328, SD-00704, SD-00703, 46200. 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.
  • 【SPECIFICATIONS】Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 Sq.ft; Filter Material: Trilobal Filtration Fabric.
  • 【NSF/ANSI 50 CERTIFIED】Recommended by 5 Million Pool Owners！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.
  • 【POWERFUL FILTRATION CAPACITY】 Updated trilobal filtration fabric offers an enhanced surface area, optimizing back pressure throughout your filtration system. With a precision of 50 microns, our filter effectively removes 99% hair, leaves, dust, sediment, sand, and other fine particles. This ensures consistently clean, fresh, and clear water for your pool or spa.
  • 【DURABILITY & LONGEVITY】 With 25% thicker filtration fabric than standard filters, heavy chlorine-resistant & break-resistant end caps, the filter service life extends by 20-30% compared to normal filter cartridges. We're dedicated to offering top-quality products at an affordable price.
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Rank No. #2
POOLPURE C-6430 Spa Filter Replaces Watkins 31489, Pleatco PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 4 PACK
POOLPURE C-6430 Spa Filter Replaces Watkins 31489, Pleatco PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 4 PACK
  • ➤PHTA MEMBER – INDUSTRY-TRUSTED PERFORMANCE: As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence.
  • ➤Proven by Athletes & Media Tested in real training environments and featuring Olympic swimmer Rhyan White, our filters deliver reliable performance where it matters most—while recognition from NBC Local highlights our commitment to consistent filtration and superior water quality.
  • ➤COMPATIBLE MODELS: PLFC-6430 Spa Filter is compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, 73178, 73250, 71825, P/N0969601. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.
  • ➤SPECIFICATIONS:Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft; Filter Material: Trilobal Filtration Fabric.
  • ➤NSF/ANSI 50 CERTIFIED: Trusted by 5 million pool owners！POOLPURE Pool and Spa filter has been rigorously tested and certified by IAPMO against NSF/ANSI 50. Trust in POOLPURE to provide crystal-clear, purified water, enhancing your overall hot tub & spa experience. Dive into unmatched relaxation.
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Rank No. #3
POOLPURE C-6430 Spa Filter Replaces Watkins 31489, Pleatco PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 5 Pack
POOLPURE C-6430 Spa Filter Replaces Watkins 31489, Pleatco PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 5 Pack
  • ➤SPECIFICATIONS:Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft; Filter Material: Trilobal Filtration Fabric.
  • ➤COMPATIBLE MODELS: PLFC-6430 Spa Filter is compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, 73178, 73250, 71825, P/N0969601. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.
  • ➤NSF/ANSI 50 CERTIFIED: POOLPURE Pool and Spa filter has been rigorously tested and certified by IAPMO against NSF/ANSI 50, ensuring safe material usage. With a precision of 50 microns, our filter effectively removes hair, leaves, dust, sediment, sand, and other fine particles.
  • ➤POWERFUL FILTRATION CAPACITY: Our unique trilobal filtration fabric offers an enhanced surface area, optimizing back pressure throughout your filtration system. This ensures consistently clean, fresh, and clear water for your pool or spa.
  • ➤EASY MAINTENANCE: The uniform and high-performing trilobal fabric ensures effortless stain capture and release, simplifying the cleaning process. For optimal performance, it's recommended to clean the cartridges monthly, depending on usage.
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Rank No. #4
POOLPURE PLFC-6430-M Spa Filter Replaces Watkins 31489, Compatible Pleatco PWK30-M, Filbur FC-3915M, P/N0969601, 71825, 73178, 73250, 3 Pack.
POOLPURE PLFC-6430-M Spa Filter Replaces Watkins 31489, Compatible Pleatco PWK30-M, Filbur FC-3915M, P/N0969601, 71825, 73178, 73250, 3 Pack.
  • 【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers better filtering capacity, healthier water, and an awesome swimming experience that you and your loved ones truly deserve.
  • 【Filtration Fabric】 This filter Fabric is infused with an blending material, which can inhibit the growth of dangerous and provide continuous, durable and effective added protection for the lifetime of the product ensuring the health, safety and well being of your family.
  • 【Longer Service Life】The filter cartridges can extend the lifespan of the cartridge and enhance the filtering capacity and quality. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed.
  • 【Replacement Models】 Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft. PLFC-6430-M Filter compatible Watkins 31489, 73178, 73250, 71825, P/N0969601. 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.
  • 【Easy Cleaning】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.
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Rank No. #5
POOLPURE C-6430 Spa Filter Replaces 31489, PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 3 Pack
POOLPURE C-6430 Spa Filter Replaces 31489, PWK30, Filbur FC-3915, P/N0969601, 71825, 73178, 73250, 30 sq. ft. Hot Spring Spa Filter 3 Pack
  • ➤PHTA MEMBER – INDUSTRY-TRUSTED PERFORMANCE: As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence.
  • ➤Proven by Athletes & Media Tested in real training environments and featuring Olympic swimmer Rhyan White, our filters deliver reliable performance where it matters most—while recognition from NBC Local highlights our commitment to consistent filtration and superior water quality.
  • ➤SPECIFICATIONS:Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft; Filter Material: Trilobal Filtration Fabric.
  • ➤COMPATIBLE MODELS: PLFC-6430 Spa Filter is compatible with Watkins 31489, PWK30, Unicel C-6430, Filbur FC-3915, 73178, 73250, 71825, P/N0969601. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.
  • ➤NSF/ANSI 50 CERTIFIED: Trusted by 5 million pool owners！POOLPURE Pool and Spa filter has been rigorously tested and certified by IAPMO against NSF/ANSI 50, ensuring safe material usage. With a precision of 50 microns, our filter effectively removes hair, leaves, dust, sediment, sand, and other fine particles.
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Rank No. #6
AmiBron 71825 Replaces Hot Springs Spa Filters, Compatible with Watkins 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915, P/N0969601, 73178, 73250, 30 sq.ft.Pleated Fabric Filter Media 5 Pack
AmiBron 71825 Replaces Hot Springs Spa Filters, Compatible with Watkins 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915, P/N0969601, 73178, 73250, 30 sq.ft.Pleated Fabric Filter Media 5 Pack
  • 【PLACEMENT MODELS】A6430 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. AmiBron is an independent brand.
  • 【NSF CERTIFIED】AmiBron spa&pool filter with NSF certified safe filter materials provides you with clean, fresh and clear water. Only select quality 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 better quality at good price.
  • 【AMIBRON SLOGAN】AmiBron Protect Your Health.
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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
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.
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Rank No. #8
Tier1 Replacement for Pentair Pool Filter Cartridge PWK30 – 5 Pack | Compatible with 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 | 10-1/2' x 6' | Trilobal Fabric | Washable Cartridge
Tier1 Replacement for Pentair Pool Filter Cartridge PWK30 – 5 Pack | Compatible with 31489, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 | 10-1/2" x 6" | Trilobal Fabric | Washable Cartridge
  • COMPATIBLE MODELS – Replacement for Watkins 31489, Filbur FC-3915, Unicel C-6330, C-6430, C-6430RA, Pleatco PWK30, PWK30-M, PWK30-4, SD-00328, 71825, 73178, 73250, P/N0969601, PDC510-AFS, SD-00704, CCP389 filtration cartridges
  • DIMENSIONS FOR RELIABLE FIT – This 10-1/2" x 6" cartridge is engineered to fit seamlessly into compatible pool filtration systems, supporting consistent performance without leaks or gaps.
  • TRILOBAL DIRT-LOCK MEDIA – Advanced trilobal fibers capture up to 40% more debris than standard round fibers, trapping dirt, hair, leaves, and fine particles while maintaining maximum water flow.
  • TESTED TO NSF 50 STANDARDS – Independently tested to NSF protocols for performance and durability, supporting consistent water clarity and reliable filtration.
  • ENGINEERED FOR CONSISTENT FLOW – Internal high-flow core delivers steady water circulation, protecting pump performance without restricting pressure or causing heater issues like some filters.
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Rank No. #9
ZOTEE PWK30 Spa Filter Cartridge Replacement for Watkins 31489, C-6430RA,Darlly 60301,Filbur FC-3915,P/N0969601,71825,73178,73250,75401,Hot Spring Spa Filters,3 Pack
ZOTEE PWK30 Spa Filter Cartridge Replacement for Watkins 31489, C-6430RA,Darlly 60301,Filbur FC-3915,P/N0969601,71825,73178,73250,75401,Hot Spring Spa Filters,3 Pack
  • SPA FILTER SPECIFICATIONS:Length:10 1/2",outside diameter:6",top:1 15/16" open,bottom:1 15/16"open.
  • PLACEMENT MODELS:Watkins 31489 aquaterra spa filter compatible with PWK30,Unicel C-6430,Unicel C-6430RA,PLE-051-9186,PLE-051-9670,71825,73178,73250,75401,13004,46200,4900-173,Balene AK-5005,APCC7095,APCC7095M,Pure N Clean PC-3915,Darlly 60301,Filbur FC-3915.
  • MORE EFFICIENT FILTRATION AREA:Filtration area of hot springs spa filter is 30 sq.ft.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.
  • DURABLE FILTERS:Spa filter has unique trilobal filtration fabric structure,it makes spa filter easier to capture large volume of contiminants.
  • EASY TO WASH:The trilobal fabric structure filter material makes it easy to release impurities when cleaning the filter,the pool filter is like a new one after cleaning. It is recommended that you clean filter cartridges every 2 weeks to maximize your spa's performance.
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Rank No. #10
POOLPURE PLFC-6430-M Spa Filter Replaces Watkins 31489, Compatible Pleatco PWK30-M, Filbur FC-3915M, P/N0969601, 71825, 73178, 73250, 4 Pack
POOLPURE PLFC-6430-M Spa Filter Replaces Watkins 31489, Compatible Pleatco PWK30-M, Filbur FC-3915M, P/N0969601, 71825, 73178, 73250, 4 Pack
  • 【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers better filtering capacity, healthier water, and an awesome swimming experience that you and your loved ones truly deserve.
  • 【Filtration Fabric】 This filter Fabric is infused with an blending material, which can inhibit the growth of dangerous and provide continuous, durable and effective added protection for the lifetime of the product ensuring the health, safety and well being of your family.
  • 【Longer Service Life】The filter cartridges can extend the lifespan of the cartridge and enhance the filtering capacity and quality. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed.
  • 【Replacement Models】 Length: 10 1/2”; Outside Diameter: 5 7/8”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft. PLFC-6430-M Filter compatible Watkins 31489, 73178, 73250, 71825, P/N0969601. 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.
  • 【Easy Cleaning】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.
View Product

Last update on 2023-03-20 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Watkins 31489?

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  1. Brand Value: Every brand of Watkins 31489 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Watkins 31489?
  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Watkins 31489.
  7. Product Quality: You don’t always get what you pay for with an Watkins 31489, sometimes less, and sometimes more.
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