K&N Universal Rubber Air Filter RU-5111

- 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 warrantyK&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" (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Air Filter Large End Diameter 4.5 in (114 mm)Air Filter Shape Round TaperedBase Outside Diameter 4.5 in (114 mm)Filter Material Cotton GauzeFilter Re-Oiling Amount 0.6 oz (18 ml)Flange Inside Diameter 3 in (76 mm)Flange Length 0.75 in (19 mm)Flange Type CenteredFlanges 1Height 5.75 in (146 mm)Package Contents 1 Air Filter