| 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 1/4" to 3" (Inlet/Outlet) Wilkerson Coalescing Filters 1 1/4" to 3" (Inlet/Outlet) Wilkerson Coalescing Filters Click on a Product to view details. 1 1/4" (Inlet/Outlet) Wilkerson Coalescing Filters 1 1/2" (Inlet/Outlet) Wilkerson Coalescing Filters (5) 2" (Inlet/Outlet) Wilkerson Coalescing Filters (5) 3" (Inlet/Outlet) Wilkerson Coalescing Filters (3) Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook