38mm Pit Bike Double Foam Air FilterSpecification: 100% Brand NewSize: Like the picture showColor: redFeatures:-45 angled neck， fashion design-Has 2 layers of foam， a thinner outer layer and a thicker inner layer-Performance washable double foam high flow air filter with 45 degree angledneck-The flexible rubber neck can be fitted to larger or smaller carburettors as theneck will flex up and down by 1-2mm.-38/40mm fitting， easy installFitment:Fit for 90cc， 110cc & 125cc 4-stroke bikesAnd most Chinese import Pit / Dirt bikesPackage includes: 1 X Double Foam Air Filter