This air filter fits many brands of bikes, see below “Product Description” for detail Conical style with dual layer steel mesh design Material: Steel with rubber connector Inside diameter: 28mm Package includes 1pc Product description A great gadget for ATVs, Dirt Bike, Scooter,Moped, Pocket bikes, Mini bikes. Catch impurities in air to prolong the engine Life Add more Horsepower. Ensure better mileage and engine performance. Fits fits many brands of bikes such as TaoTao, Buyang, NST, BMX, Coolsport, Kazuma, Sunl, Roketa, AIM-EX and etc. It also fit some models of Suzuki Kawasaki Yamaha Motorcycle Shipping: Fast shipping from USA, around 2-8days.