This is a universal clamp-on pod air filter of 35mm fitting diameter. It fits carb air intake diameters of 32mm to 38mm. It's fully adustable and comes complete with fixing clip. It is a high flow filter suitable both as a replacement part and a performance upgrade. It helps the engine breathe better and it will increase the horsepower and responsiveness of your bike. It can be oiled if you want or it can be used as it is. It is also washable and reusable. An excellent value for money product for your everyday bike or race project. The filters we have in stock are of high quality and are made by high standard manufacturers (Shark or Bull Racing company).