100% Brand New, High Performance Air Filter, Inside Diameter:38mm/1.5 inches Overall length of filters is 82mm, Overall width of filters is 75mm, 5mm Gas Fuel Filter 38mm Air Filter Compatible with Chinese GY6 50cc 90cc 110cc 125cc 150cc Motorcycle ATV Quad Dirt Pit Bike QMB139 Moped Scooter Apollo SSR Lifan Off Road XR50 CRF50 XR CRF Compatible with most Off-road Motorcycle ATV Quad Dirt Pit Bike, Package: 1 pcs 38mm Air Filter and 2pcs Fuel Filters Easy to install, the universal air filter can be secured tightly onto your vehicle pipe, and you can adjust to required size with flat head screwdriver.Please Check The Size Before You Buy It. 38MM Air Filter Compatible with Models 49cc 50cc 70cc 90cc 110cc 125cc 150cc 200cc ATV Quad Dirt Pit Bike Gy6 Scooter Go Kart, etc. Design and material of air filter: