OVAL AIR CLEANER 2" INLET, Dunebuggy & VW Features a washable and reusable Chrome top and Gauze Filter Neck can be stretched up to 1/16 for added applications Use with or without 90 Nylon Vent tube (included) 2 Neck, 4 7/16 x 6 7/8 x 2 3/4 High Perfect For Your Classic Air-Cooled Volkswagen Engine Based Dune Buggy, Baja Bug, and more!