Description 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. K&N universal air filters are washable and reusable. MORE INFORMATION Designed to increase horsepower and acceleration Hundreds of sizes and shapes for most applications High air flow with excellent filtration Clamp-on washable and reusable air filter Malleable flanges One year limited warranty SPECIFICATIONS Air Filter Shape Round Air Filter Material Cotton Gauze Flange Inside Diameter 4 in (102 mm) Flange Length 1 in (25 mm) Flanges 1 Flange Type Centered Height 9 in (229 mm) Package Contents 1 Air Filter Package Quantity 1 Outside Diameter 7 in (178 mm) Top Material None Top Style Rubber Warranty 1 Year Limited Washable Yes Product Style Round Straight Universal Air Filter Weight 2.4 lb (1.1 kg) Filter Re-Oiling Amount 2.24 oz (66 ml) Product Box Height 7.75 in (197 mm) Product Box Length 14.38 in (365 mm) Product Box Width 7.38 in (187 mm) Inner Wire No