Feature●【Size】: 38mm/39mm/40mm.●【Increase Power】The air filter can prevent abrasive particles from entering the engine cylinders, increase power and torque, improve fuel consumption. Air flow can rise with excellent filtration which ensures filtration efficiency.●【Quality Material】The air filter is made of high quality materials, which is durable, washable and reusable.●【Easy to Adjust】Easy to install, the air filter can be firmly fixed on the car tube and can be adjusted to the required size with a flat blade screwdriver. With clip and flush rubber adapter, easy to use and adjust.●【Wide Applications】Suitable for most off-road motorcycles ATV Quad Dirt Pit Bike.●【Box Contains】A set of 2 air filters. It can meet your regular replacement needs without wasting extra time buying.●【Note】Please check the size before ordering to see if they fit your motorcycle.●【After-Sales Service】1 year warranty, hassle free return and refund, buy with confidence! At 1PZ, our team is at your complete disposal, for any problem, do not hesitate to contact us.Description