Ram-Flo 300 Series air filter assembly to suit Solex 32mm DITA PAIA Carburettor. Complete with plug and spout set. High volume, flame resistant and washable element can be used dry or oiled. This filter flows 300 CFM (cubic feet per minute) Dimensions: 140mm diameter x 50mm. Ram-Flo is the original and the best and 100% Australian made and owned.