Specification:Material: Rubber, FoamColor: BlackShape of Connector Rubber Pipe: Straight ConnectorConnector Inner Diameter: 40mm/1.57"Total Height: 9cm/3.54"Foam Outer Diameter: 9.5cm/3.74"Foam Height: 7cm/2.76"Feature:The air filter is installed in front of the carburetor or the intake pipe to filter out dust and sand particles in the air, ensuring that sufficient and clean air enters the cylinder.The air filter is made of foam and rubber, which are suitable for models with different engine compartments, increase the intake air flow, filter air dust, and make your engine breathe more smoothly.The fine mesh increases the amount of air flow.Easy to install and wash, durable, for a long service life.Fitment:Bike Model: for 50cc 70cc 90cc 110cc 125cc 150cc Motorcycle ATV Dirt Bike with 40mm Engine Inlet.