35mm Air Filter for 50cc 70cc 90cc 110cc ATVs Dirt Bikes Go Karts Quad 4 Wheeler Pit Bike It may fit Honda XR50 CRF50 and many Chinese 50cc-110cc ATV, Dirt Bike and Go Karts with Horizontal Engine. Please check pictures and specifications for compatibility Overall Height: 71mm(From top to bottom), Inner Diameter: 35mm Check what ID your carb will accept before your order, any return for refund will be less the cost of shipping to you. Washable and reusable. Ships from the US (Michigan) and should arrive to you in 2 to 4 days.