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" (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Product Style: Round Tapered Universal Air FilterBase Outside Diameter: 5.5 in (140 mm)Flange Inside Diameter: 3.5 in (89 mm)Flange Length: 1.25 in (32 mm)Flange Type: CenteredHeight: 8 in (203 mm)Top Outside Diameter: 4 in (102 mm)Top Style: MetalTop Material/Finish: ChromeFilter Material: Cotton GauzeFilter Re-Oiling Amount: 1.59 oz (47 ml)Weight: 1.3 lb (0.6 kg)Product Box Length: 6.31 in (160 mm)Product Box Width: 6.31 in (160 mm)Product Box Height: 10.19 in (259 mm)