Harbor Freight Tools


3/8 in. NPT(F) Air Filter with Regulator

Remove moisture and debris from air lines with this air filter and regulator

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The MERLIN™ Air Filter with Regulator extends the life of your air tools. The high flow modular filter/regulator removes water and particles down to 40 microns from your air lines. Includes mounting bracket and gauge.

  • 120 CFM Max flow at 100 PSI
  • Self-relieving
  • 3.5 oz. metal bowl with sight gauge
  • Locking, non-rising knob
  • 175° F max operating temperature
  • Includes 2 in. gauge with 5 PSI-150 PSI range

Flow rate
120 CFM
Accessories Included
Gauge, mounting bracket
Air inlet size
3/8 in. NPT(F)
2 in.
Maximum pressure (PSI)
250 PSI
Minimum Pressure (PSI)
Product Height
9.8 in.
Product Length
2.6 in.
Product Weight
2.1 lbs.
Product Width
4.02 in.
Shipping Weight
2.34 lb.
Temperature range (deg F)
175° F
Working pressure (psi)
150 PSI
Filtration (microns)
40 microns
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.