Features:Remove the air filter and pressure wash the inside of the airbox by covering the carb inlet with a watertight capMade of PVC with a rubber sealing ringTop screw includedSpecifications:Product Name: CoverType: AirboxUnits: EachAdditional:Brand: TWIN AIRPart Number: 160119California ResidentsWARNING Cancer and Reproductive Harm. www.p65warnings.ca.gov