1. Made of materials, the air filter is in use for a long time, washable no oil design. 2. Comes with clamp for easy use and adjusting. 3. Easy to fit, can be secured tightly onto your vehicle pipe, and you can adjust to the size required with flat head screwdriver. 4. The air filter prevents abrasive particulate matter from entering the engine's cylinders to ultimately increase horsepower, torque and improve the gas mileage. 5. It allow your bike to do and generate much more power, prolong the engine life. Product Name: Air Filter Cleaner Dimension: 74x78mm / 2.9x3.1inch (L x W) Inside diameter: 44mm Machine Type: Off-Road Motorcycle Application: universal fits for most motorcycle air filter with 44mm engine inlet. Fitments: For GY6 125cc 150cc 250cc DIRT ATV QUAD PIT BIKE (The Compatibility Is Just For Reference. Please Compare Your Original One Before Purchasing!) Note: No Instructions Included.Professional Installation Is Highly Recommended! colour: gray Material: metal Package Contents: 1 x Air Filter Cleaner Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.