Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applicationsHigh air flow with excellent filtrationClamp-on washable and reusable air filterMalleable flangesOne 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. Product Specifications:Air Filter Shape OvalBase Outside Length 7 in (178 mm)Base Outside Width 4.5 in (114 mm)Filter Material Cotton GauzeFilter Re-Oiling Amount 0.37 oz (11 ml)Flange Inside Diameter 2.063 in (52 mm)Flange Length 0.875 in (22 mm)Flange Offset 0.5 in (13 mm)Flange Type OffsetFlanges 1Footnote 1 Base Has 1/4" VentHeight 2 in (51 mm)Inner Wire NoOutside Length 7 in (178 mm)Outside Width 4.5 in (114 mm)Package Contents 1 Air Filter