K&N RU-5401 Features:

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.

• CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
• EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to for use- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
• UNIVERSAL FITMENT: Designed for use on a variety of applications
• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
• 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
• RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
• Air Filter Material: Cotton Gauze
• Air Filter Shape: Round Tapered
• Filter Re-Oiling Amount: 1.35 oz (40 ml)
• Flanges: None
• Frame Design: Flexible
• Height: 6.75 in (171 mm)
• Inner Wire: No
• Inside Diameter: 4 in (102 mm)
• Oil Included: Yes
• Outside Diameter: 6.5 in (165 mm)
• Pre-Screened: No
• Top Material: None
• Top Style: Rubber
• Washable: Yes
• Weight: 1.4 lb (0.6 kg)