Ram-Flo 600 Series air filter assembly to suit Weber 48 IDA. Air Horn mounted. Complete with plug and spout set and all mounting hardware. High volume, flame resistant and washable element can be used dry or oiled. This filter flows 600 CFM (cubic feet per minute) Dimensions: 231mm x 139mm x 50mm. Ram-Flo is the original and the best and 100% Australian made and owned.