Harbor Freight Tools


3/8 in. NPT(F) Intermediate Air Filter

Extend the life of your air tools with this intermediate filter

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The MERLIN™ high flow modular intermediate filter removes water and particles down to 5 microns from air lines.

  • 65 CFM max flow at 100 PSI
  • Filters water and particles down to 5 microns
  • 3.5 oz. metal bowl and sight gauge
  • 23° to 175° F operating range
  • 250 PSI max pressure

Flow rate
65 CFM
Air inlet size
3/8 in. NPT(F)
Maximum pressure (PSI)
250 PSI
Shipping Weight
1.20 lb.
Temperature range (deg F)
23° to 175° F
Working pressure (psi)
150 PSI
Filtration (microns)
5 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.