K&N RU-1900 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 Material: Cotton Gauze
• Air Filter Shape: Round
• Flange Angle: 0 degrees
• Flange Inside Diameter: 2.25 in (57 mm)
• Flange Length: 0.625 in (16 mm)
• Flange Offset: 0 in (0 mm)
• Flange Type: Centered
• Flanges: 1
• Frame Design: Flexible
• Height: 2 in (51 mm)
• Item Type: High Performance
• Oil Included: Yes
• Outside Diameter: 3.5 in (89 mm)
• Overall Filter Efficiency: Up To 99% Efficiency
• Pre-Screened: No
• Top Material: Rubber
• Top Style: Rubber
• Washable: Yes