K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. Features:K&N universal air filters are washable and reusable. Specifications: Base Outside Length 4 in (102 mm) Base Outside Width 3 in (76 mm) Air Filter Material Cotton Gauze Flange Inside Diameter 2.125 in (54 mm) Flange Length 0.625 in (16 mm) Flange Offset 0.438 in (11 mm) Flange Type: Offset Height 4 in (102 mm) Top Outside Length 3.5 in (89 mm) Top Outside Width 2.5 in (64 mm) Top Style: Rubber Top Material: None Air Filter Shape: Oval Straight Flanges: 1 This Product Includes 4 Filters
