K&N Universal Clamp-On Tapered Air Filter 4″



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 KN Universal 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. KN universal filters are washable and reusable.


  • 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
Package Contents 1 Air Filter
Filter Material Non-woven Synthetic
Package Quantity 1
Washable Yes
Flange Type Centered
Flange Inside Diameter 4 inch
Filter Shape Round Tapered
Top Material None
Top Style Rubber
Top Outside Diameter 4.5 in (114mm)
Height 5 in (127mm)
Flange Length 0.625 inch
Flanges 1
Base Outside Diameter 5.375 in (137mm)
Warranty 1 Year Limited
Filter Color Black
Product Style Round Tapered Universal Air Filter
Weight 1.1 Lbs (0.5kg)
Filter Large End Diameter 5.375 in (137mm)
Product Box Height 7.13 in (181mm)
Product Box Length 6.38 in (162mm)
Product Box Width 6.38 in (162mm)


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