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The Best Water Separator of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Water Separator of 2022. Check our ranking below.

2,425 Reviews Scanned

Rank No. #2
Hromee 1/4 Inch Air Compressor Filter Regulator Combo, Water Oil Separator with Pressure Gauge, Manual Drain, Ball Valve and Bracket AW2000-02
  • BRASS FILTER ELEMENT - Filtering moisture and fine particles to get clean and dry air which prevents damage to air tools, spray guns and pneumatic equipment. The filter element is brass that provide higher efficient filtration and long lifetime than the fiber one.
  • PRESSURE REGULATOR - With the adjustable pressure control knob, you can pull up and turn the black knob at the top of the regulator to set desired pressure. No matter the size of the inlet pressure and flow fluctuations, always maintain a stable outlet pressure.
  • GAUGE&FILTER CUP - The pressure gauge is more accurate to the pressure induction and the metal shell is resistant corrosion. The dial scale has two units of measurement: psi and mpa. The Max pressure is 150 PSI. The filter cup is designed to be transparent for observing the volume of water and oil.
  • EXTRA ACCESSORIES - The ball valve is made of forged brass for corrosion resistance, ductility at high temperatures and low magnetic permeability. It has a plastic-covered lever handle for on/off manual control. Some necessaries are also included in this kit: a double MNPT fitting and a thread seal tape.
  • PIGGYBACK- Air pressure regulator combines the functions of both air filter and regulator. It is compact and much effective when space is constrained. The bracket is designed to provide a secure way to mount a filter regulator and easy removal.
Rank No. #3
NEIKO 30252A Water and Oil Separator for Air Line | 1/4" NPT Inlet and Outlet | 90 PSI | Air Compressor and Air Tool Accessory | Protect Lifespan of Pneumatic Tools | Water Moisture Filter Dryer
  • WATER SEPARATOR: Add this air-tool accessory to your shop or garage to stop moisture, water, oil, and particles from entering air-spray guns and air-compressor tools. You can also add it to your compressor hose to keep the equipment working efficiently.
  • OIL SEPARATOR: This spray-gun unit separates the oil from the air as it goes through your air hose. The oil stays inside the compressor to keep it lubricated while the compressed air stays free of oil, ensuring maximum air output to your air tools.
  • OPTIMIZE PERFORMANCE: Available in 90 PSI or 150 PSI versions, this oil-water separator traps water vapor and dust to maximize performance for cleaner and more even jobs, saving you countless dollars in replacing expensive air tools.
  • EASY TO SEE: This air-compressor in-line dryer has a clear build that allows you to easily monitor buildup and the amount of trapped water and dust particles. It also has a convenient quick-release valve to remove anything trapped inside.
  • SPECIFICATIONS: The air-compressor moisture filter comes with a 1/4-inch NPT inlet and outlet and will fit any standard air hose with a 1/4-inch fitting. The durable aluminum housing with brass fittings will withstand rugged everyday use.
Rank No. #4
NANPU 3/8" NPT Compressed Air Filter Regulator Lubricator Combo Water/Oil Trap Separator - Gauge(0-150 psi), Poly Bowl, Semi-Auto Drain, Bracket - 3 in 1 Two Unit
  • 3/8" NPT Piggyback Filter Regulator Lubricator Unit
  • Operating Pressure: 0-125 PSI
  • 5 Micron Brass Filter Element, Excellent Filtering Performance, Much Longer Life and Reuse Feasibility
  • Flow Rate: 60 SCFM (1700 L /Minute)@ 90 psi
  • Includes Semi-Auto Drain & Polycarbonate Bowl with Metal Guard, 0-150 Gauge & Bracket,a pair of Air Coupler& Plug Kit, 2 x 3/8" NPT Fittings, 1 x Thread Seal Tape
Rank No. #5
NANPU 3/4" NPT Industrial Grade 3 Stage Air Drying System - Particulate Filter, Coalescing Filter, Desiccant Dryer & Air Regulator, Metal Bowl, Manual Drain, Suitable for Paint Spray& Plasma Cutter
  • 【High Pressure Resistance】Works Perfectly in the Pressure Environment of 7-215 psi; Flow Rate: 141CFM (4000L/min)【High Degree of Safety】Excellent Metal Bowl w/ Visible Sight Glass in Every Stage Protect You and the System throughout the Entire Process.
  • 【Stage 1: Filter & Regulator】Compressed Air Water Trap Filter Equipped with 5 Micron Element, which has Excellent Filtering Performance, Much Longer Life and Reuse Feasibility, Remove Most of Moisture and Particles in the Air Line; Pressure Regulator Accurately Adjust and Stabilize the Air Pressure.
  • 【Stage 2: Coalescing Filter】The Coalescing Filter is Equipped with a 0.01 Micron Element that can Remove 99.9% of Moisture, Smaller Particles and Oil, which Pass Through Stage 1 Combo. When the Filter Element needs to be Replaced, the Red Indicator will Pop Up.
  • 【Stage 3: Desiccant Air Dryer】The Desiccant Air Dryer allows the Air to be Thoroughly Dried and Cleaned before it Enters your Pneumatic Tools. The Desiccant Beads need to be Added to the Metal Bowl. When it needs to be Replaced, the Beads will Change from Blue to Pink.
  • 【Accessories】2 x 5 Micron Element(One of Them is Installed in the Product), 2 x 0.01 Micron Element (Same as Above), 4x 3.5oz (100g) Desiccant Beads Bag. 2 x 3/4" NPT Fittings, 1 x Thread Seal Tape.
Rank No. #6
HEAVY DUTY INDUSTRIAL RATED HIGH FLOW PARTICULATE FILTER, IN-LINE WATER TRAP FOR COMPRESSED AIR LINE SYSTEMS, 5 MICRON WITH METAL BOWL (1/2" NPT, 5oz)
  • 1/2" NPT INDUSTRIAL RATED PARTICULATE FILTER / WATER TRAP TO REMOVE MOISTURE FROM COMPRESSED AIR LINES.
  • THIS UNIT HAS 5oz METAL BOWL. 5u MICRON FILTER REMOVES 95% OF MOISTURE AND DEBRIS FROM COMPRESSED AIR LINES.
  • 225 PSI MAX INPUT PRESSURE, 215 MAX OUTPUT PRESSURE, 140 CFM FLOW RATE. PLEASE NOTE::: 1/2" NPT MEASURES 0.850" OUTSIDE THREAD DIAMETER IN INCHES.
  • MANUAL PUSH DRAIN LOCATED ON THE BOTTOM OF METAL BOWL. VISIBLE SIGHT GLASS TO VIEW MOISTURE LEVELS AT A GLANCE. WALL MOUNTING BRACKET AND OPERATION INSTRUCTIONS INCLUDED.
  • REPLACEMENT FILTERS CAN BE FOUND ON AMAZON. ASIN B01N7VEJ2V. COPY PASTE ASIN TO YOUR AMAZON SEARCH BAR.
Rank No. #7
NANPU 1/4" NPT Compressed Air Filter Regulator Lubricator Combo, Water/Oil Trap Separator - Gauge(0-150 psi), Poly Bowl, Semi-Auto Drain, Bracket
  • 1/4" NPT Piggyback Filter Regulator Lubricator Unit
  • Operating Pressure: 0-125 PSI
  • 5 Micron Brass Filter Element, Excellent Filtering Performance, Much Longer Life and Reuse Feasibility
  • Flow Rate: 18 SCFM (500 L /Minute)@90 psi
  • Includes Semi-Auto Drain & Polycarbonate Bowl , 0-150 Gauge & Bracket,a pair of Metal Air Coupler& Plug Kit, 2 x 1/4" NPT Fittings, 1 x Thread Seal Tape
Rank No. #8
1/2" Particulate filter water trap seperator moisture Compressed Air Compressor
  • 1/2" NPT PARTICULATE FILTER / WATER TRAP TO REMOVE MOISTURE FROM COMPRESSED AIR LINES.
  • THIS UNIT HAS 5oz POLYCARBONATE BOWL WITH METAL BOWL GUARD. 5u MICRON FILTER REMOVES 95% OF MOISTURE AND DEBRIS.
  • 175 PSI MAX INPUT PRESSURE, 145 MAX OUTPUT PRESSURE, 106 CFM FLOW RATE. PLEASE NOTE::: 1/2" NPT MEASURES 0.850" OUTSIDE THREAD DIAMETER IN INCHES::::
  • COMES WITH A SEMI AUTOMATIC DRAIN THAT ACTS LIKE AN OVERNIGHT DRAIN. WHEN PRESSURE IS APPLIED TO THE BOWL, THE DRAIN WILL HOLD THE MOISTURE CONTENTS UNLESS YOU MANUALLY DISCHARGE IT. WHEN NO PRESSURE IS APPLIED TO THE BOWL, THE DRAIN AUTOMATICALLY OPENS TO RELEASE THE MOISTURE.
  • REPLACEMENT FILTERS CAN BE FOUND ON AMAZON. ASIN B01MTC8AAH. COPY PASTE ASIN TO YOUR AMAZON SEARCH BAR.
Rank No. #9
Pack of 6 Small Water Oil Separator Filter 1/4 Inch NPT Inlet and Outlet Air Compressor Moisture Filter Airbrush Water Separator for Spray Paint Air Line Compressor Fitting, Blue
  • Easy to Monitor: the clean housing allows you to monitor the amount of dust and debris, making you know when to change the air compressor hose filter; Just simply press on the release valve to eject the waste trapped inside the airbrush
  • Proper Size to Use: the 1/4 inch NPT inlet and outlet are designed to easily connect air lines with air line fittings, pneumatic tools and spray paint devices; Each moisture filter for air compressor measures approx. 3.54 inches in length and 1.57 inches in diameter
  • Prolong the Service Life of Tools: the water and oil separator for air line can remove water, oil, dust and particles in the air line from air compressor, avoid water vapor and particles from entering the air tool, keep the gas dry, provide a cleaner painting job, and effectively extend the service life of air tools
  • Satisfy Your Daily Use: there are 6 pieces of air compressor filters with blue ends in the package, enough to meet your daily use, replacement and sharing demand; They are easy to install and convenient to use
  • Wide Applications: the air compressor water separator is suitable for most spraying tools and air lines, such as spray paint tools, air pressure cleaners, airline dryers, airbrushes, pneumatic tools, hoses, etc., which can also be applied as a compact filter of air spray tools
Rank No. #10
Fuel Filter Water Separator with 3/8" Barb x 1/4" NPT Fittings Replacement for Marine Outboard Motor Mercury Replaces# 35-60494-1, S3213, 18-7932-1, 18-17928, 35-809097
  • PERFORMANCE: Keeping a clean fuel filter in your vehicle can reduce damage done to your engine and other fuel delivery components. This 10 micron fuel filter can screens out dirt, rust and other particles from the fuel, ensuring a steady flow of clean fuel for optimal engine performance
  • PREMIUM QUALITY: Outstanding filtration matters, that is why our fuel water separator are crafted from high-grade filter medium that provide maximum filtration and minimal flow restriction. Deliver increased flow and efficiency that are demanded in the fuel system
  • LONG LIFE-SPAN: The outboard fuel filter has went through rigorously testing so that you will get a fairly reliable fuel filter, features anticaustic housing, multi-layer filter and superior sealing components to ensure leakage resistance and extreme durability under various operating conditions
  • APPLICATION: Perfect for a variety of universal fuel applications, mostly used on outboard marine engines. REPLACE OE#: 35-60494-1, S3213, B32013, 18-7932-1, 18-7932, 18-7928-1, 18-7928, 35-809097, MAR-24563-03-00, 18-7919, 18-7919-1, 35604941, B32013, 1879321, 187932 , 1879281, 187928, 35809097, MAR245630300, 187919, 1879191
  • PACKAGE: It comes with 3/8-Inch Barb x 1/4-Inch NPT brass fittings and a roll of PTFE thread tape as pictures show. Please wrap teflon tape around fittings thread to prevent leaks from these plugs

Last update on 2024-02-25 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Water Separator?

Do you get stressed out thinking about shopping for a great Water Separator? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Water Separator, which is why we have assembled a comprehensive list of the greatest Water Separator available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Water Separator that you consider buying. Your questions might include the following:

  • Is it worth buying an Water Separator?
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  • What factors deserve consideration when shopping for an effective Water Separator?
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We’re convinced that you likely have far more questions than just these regarding Water Separator, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Water Separator, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Water Separator. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Water Separator buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Water Separator currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Water Separator 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 Water Separator?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Water Separator.
  5. Customer Ratings: Number ratings grade Water Separator objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Water Separator.
  7. Product Quality: You don’t always get what you pay for with an Water Separator, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Water Separator is should be an indication of how long it will work out for you.

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