Updated: 18 Jul 2025

10 Best air compressor water traps of 2025

Updated: 18 Jul 2025

#1

Best Choice

1/2" Particulate filter water trap seperator moisture Compressed Air Compressor

9.9

THB

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Main highlights

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::::

1/2" NPT PARTICULATE FILTER / WATER TRAP TO REMOVE MOISTURE FROM COMPRESSED AIR LINES.
#2

Best Value

Oil Water 1/2 Air Pressure Compressor Filter Trap Oil Water Regulator Tools Kit

9.8

Dpofirs

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Main highlights

The printing is clear and easy to use

The filter removes solid particles and condensates with compressed air

Prepares air properly for all types of compressed air tools and equipment
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#3

HUBEST Airbrush Compressor Pressure Regulator Water Trap Filter Water Moisture Gauge AFR-2000

9.6

HUBEST

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Main highlights

3.Light weight, small size, easy installation and maintenance.

2.No matter the size of the inlet pressure and flow fluctuations, always maintain a stable outlet pressure

1.AFR-2000 air filter regulator is that adjust The main channel of air pressure to a pressure value what the control device required after filtration through decompression.
#4

Neiko 30252A Water and Oil Separator for Air Line 1/4” NPT Inlet and Outlet

9.3

Neiko

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Main highlights

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.

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.

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.
#5

X-BULL Air Compressor Moisture Water Trap Filter Regulator Separator With Mount

9.2

Xbull

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Main highlights

Max.Flow Rate:35 CFM (1000 L/Min).Max Pressure: 150PSI. Standard 1/4" outlets.

Excellent price for an excellent unit.100% Brand New & High Quality

Allows you to regulate the air and cleans your airline by removing the water.Ideal for spray painting.
#6

Pneumatic Spray Air Pressure Regulator Gauge+ in-line Oil Water Trap Filter Separator Tool

9.1

Yosoo
#7

BSP 1/2" Air Filter Regulator - Air Compressor Moisture Water Trap Filter Regulator - with Mount Connection - Aluminum

8.9

Oumij1

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Main highlights

Multi -functional design: The air pressure regulator is compact and complete, combined with the function of the air filter and regulator. It can not only regulate air pressure, but also effectively remove solid particles and condensation in the air, providing clean air for compressor tools and equipment.

Aluminum: This pressure regulating filter is made of high -quality aluminum materials, which is more durable than ordinary aluminum products. This material can withstand long -term use and pressure to ensure the durability and performance stability of the product.

Adjustable pressure control: Using adjustable pressure control knobs, you can easily set the required pressure. Just pull up and rotate the black knob on the top of the regulator to meet the expected pressure requirements. This design makes your work more accurate and controllable.
#8

ZHONG AN 1/4" Compressor Air Filter Air Pressure Regulator Water-oil Separator Trap Filter with Lubricator Cup for Air Tools System

8.8

ZHONG AN

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Main highlights

To pull up the black big knob, rotate to get specified pressure you set and can keep this pressure in long time

Effective to remove the moisture of air to adjust with what's your need

Can filter small particles, keep the air clean, easy to install and maintain in light weight
#9

Pomya Air Filter Regulator SFC300 3/8 Air Compressor Filter Regulator Moisture Water Trap Cleaner Separator Tool

8.7

Pomya

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Main highlights

This air filter regulator can remove solid particles and condensates with compressed air, and prepare air properly for many types of compressed air tools and equipment

The regulator accurately maintains air pressure over a wide range of flows from 0Mpa to 1.0Mpa

Micro-fog lubricator supplies lubricating oil to working pneumatic equipment in proper proportion
#10

Bestgle 3 Pack Oil Water Separator for Air Line, Air Compressor Water Separator Filter Mini in-Line Air Filter 1/4" NPT Inlet and Outlet Airbrush Filter Moisture Separator for Spray Gun

8.5

Bestgle

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Main highlights

User-Friendly Design - The blue end is the airflow outlet, while the connector side is the inlet, featuring a quick-release valve for easy cleaning.

Sturdy Material - The oil water filter separator is made from polycarbonate, aluminum, and brass, ensuring strong durability and resistance to oxidation.

Compact Size - Overall Length: 91mm (3.58"); Width: 38.6mm (1.52"); Female Thread: 1/4"; Male Thread: 1/4".