Feature:1. Wide Application: Motorbike air intake filter cleaner is replacement for DAX ST50 ST70, and suitable for most 38mm flex neck carburettor intake bores for monkey bike, scooter, motorcycle.2. Main Function: Motorcycle air filter is designed to increase horsepower and acceleration, washable and reusable, has a long service time.3. Excellent Performance: Motorcycle air cleaner has excellent filtration, high air flow, high filtering efficiency, stable performance and high reliability.4. Premium Material: Air intake filter cleaner is made of premium rubber and ABS, which is hardness, not easy to deform, sturdy and durable and has a long service life.5. Simple Installation: The installation is simple, direct replacement, no complicated operation is required, convenient for using, and save your time and energy.Specification:Item Type: Motorcycle Air FilterMaterial: Rubber and ABSDiameter (outside diameter of carburettor inlet): Approx. 38mm or 1.5inFitment:Replacement for DAX ST50 ST70For most 38mm flex neck carburettor intake bores for monkey bike, scooter, motorcycle.Package List:1 x Motorcycle Air Filter1 x Fixing Hoop