| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Clean Air Treatment > Filtration > In-Line Filtration > Wilkerson - In Line Filtration > Particulate Filters > 1/2" to 1" (Inlet/Outlet) Wilkerson Particulate Filters > 1" (Inlet/Outlet) Wilkerson Particulate Filters > Advanced Search Advanced Search in 1" (Inlet/Outlet) Wilkerson Particulate Filters Enter at least one criteria to narrow matching items. Capacity (cfm) 280 323 Max. Inlet Pressure (psig) 150 200 250 Operating Temperature (ºF) 32 - 125 32 - 150 32 - 175 Bowl Metal Metal / Sight Gauge Plastic Drain Type Auto Manual Standard Filtration 5 micron Part Includes No Preference differential pressure indicator Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook