| 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 > Coalescing Filters > 1/2" to 1" (Inlet/Outlet) Wilkerson Coalescing Filters 1/2" to 1" (Inlet/Outlet) Wilkerson Coalescing Filters Click on a Product to view details. 1/2" (Inlet/Outlet) Wilkerson Coalescing Filters (18) 3/4" (Inlet/Outlet) Wilkerson Coalescing Filters (15) 1" (Inlet/Outlet) Wilkerson Coalescing Filters (14) Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook