The air filter prevents abrasive particulate matter from entering the engine;cylinders to ultimately increase horsepower, torque and improve the gas mileage Fit for PZ19 20 Carb Taotao Peace 50cc 70cc 90cc 110cc Scooters ATVs Dirt Bikes Go Karts Quad 4 Wheeler XR50 CRF50 Pit Bike Made of high quality materials,the air filter is durable in use for a long time.Comes with clamp and flush rubber adapters for easy use and adjusting Easy to fit,can be secured tightly onto your vehicle pipe,and you can adjust to the size required with flat head screwdriver Fits for most Off-road Motorcycle ATV Quad Dirt Pit Bike Product description Color:Red  |  Size:35mm 35mm 38mm Tapered Motorcycle Air Filter Mushroom Head Clamp-on Pod Filter Air Cleaner Feature: Using double-layer steel mesh to filter air, suitable for models with different engine compartment layouts, increase the intake air flow, filter air impurities, and make your engine breathe more smoothly! The service life