K&N RU-3520 Features:

Regardless of the angle or offset diameter of an air intake, there is probably a K& N Universal air filter for your equipment. K& N universal air 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
• Air Filter Color: Red
• Air Filter Large End Diameter: 5.75 in (146 mm)
• Air Filter Material: Cotton Gauze
• Air Filter Shape: Round Tapered
• Base Outside Diameter: 5.75 in (146 mm)
• Filter Re-Oiling Amount: 1.36 oz (40 ml)
• Flange Angle: 10 degrees
• Flange Inside Diameter: 3.5 in (89 mm)
• Flange Length: 1.75 in (44 mm)
• Flange Offset: 0 in (0 mm)
• Flange Type: Angled
• Flanges: 1
• Footnote 1: 1/4-20 Jack Nut Into Top
• Frame Design: Flexible
• Height: 7 in (178 mm)
• Item Type: High Performance
• Oil Included: Yes
• Overall Filter Efficiency: Up To 99% Efficiency
• Pre-Screened: No
• Top Material: Rubber
• Top Outside Diameter: 5 in (127 mm)
• Top Style: Rubber
• Washable: Yes