[Size]Diameter: 28mm. Overall height, including neck: 69mm. Width at widest point: 60mm [Easy]Easy to Install. [High Quality]Metal with rubber connector,ensure better mileage and engine performance. [Fit]Universal fits for most motorcycles. Chinese brands: TaoTao, Buyang, Coolsport, Lifan Kazuma, SUNL TaoTao, Buyang, NST, BMX, Coolsport, Kazuma, Sunl, Roketa, AIM-EX 125cc 150cc 200cc 250cc Dirt Pit Bike ATV GoKart Quad.This may also fits on GY6 Honda Yamaha. [Guarantee & Service]If you have any problem,please feel free to contact us.We offer 24 hours friendly customer service. Size:28mm Air filter for ATV Quad Pit Dirt bike Go kart Buggy Chinese Scooter Please Compare Our Product Against Yours, Including Its Appearance, Size,Shape Before Ordering.