Ram-Flo 400 Series air filter assembly to suit Weber 28/36 DCD & 36 DCD Carburettors. Complete with plug and spout set. High volume, flame resistant and washable element can be used dry or oiled. This filter flows 400 CFM (cubic feet per minute) Dimensions: 177mm x 113mm x 50mm. Ram-Flo is the original and the best and 100% Australian made and owned.