Harbor Freight Tools


3/8 in. NPT(F) Desiccant Dryer and Filter

Desiccant dryer and filter quickly dries air in storage tanks or pneumatic systems

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The MERLIN™ Desiccant Dryer and Filter removes water vapor, dirt, dust and oil vapor from storage tanks or pneumatic systems. This desiccant dryer has a built-in oil filter to ensure clean, dry air flows from your air compressor to your tools, improving air tool performance. Features wall mountable design, cast aluminum construction, and durable drain valve that stands up to daily shop use.

  • Filters water and particles down to 5 microns
  • Max flow rate of 20 CFM at 100 PSI for filter/dryer system
  • 0.1 micron dryer rating for oil, oil odor, oil vapor and particles
  • Dessicant beads change from blue to pink when beads need to be replaced
  • 150° F max operating range

Important Information

  • If dryer is used at flow rates above 20 CFM, the unit will not filter moisture at advertised level.For optimal performance, use filter / dryer system at 20 CFM maximum.

Flow rate
20 CFM
Accessories Included
mounting bracket
Air inlet size
3/8 in. NPT(F)
Maximum pressure (PSI)
250 PSI
Maximum temperature (deg F)
150° F
Product Height
8.4 in.
Product Length
5.9 in.
Product Weight
2.9 lbs.
Product Width
3.2 in.
Shipping Weight
3.48 lb.
Working pressure (psi)
100 PSI
Filtration (microns)
5 microns
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.