Description

The K&N Filters Universal Rubber Air Filter – 6″ID FLG, 7-1/2″OD, 12″H (KNNRU-3040) is designed for high-performance intake systems where a universal fit is needed. With a 6-inch inner diameter rubber flange, a 7.5-inch outer diameter, and a 12-inch height, this filter fits a wide range of custom applications. Built using K&N’s washable and reusable oiled cotton gauze material, this filter ensures maximum airflow while maintaining filtration efficiency. It’s a durable and sustainable choice for performance-minded drivers.

Features and Specifications:

Product Style: Round Straight Universal Air Filter
Air Filter Shape: Round
Air Filter Material: Cotton Gauze
Flange Material: Rubber
Flange Type: Centered
Inner Diameter: 6 inches
Outer Diameter: 7.5 inches
Height: 12 inches
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Protection: Four layers of premium cotton gauze with a specialized tacking agent trap harmful contaminants effectively.
Durable Construction: Built with high-quality materials and precision manufacturing for long-lasting performance.
Long Service Life: Under normal highway conditions, it requires cleaning only every 75,000 miles, equivalent to about five years.
Easy Installation: Pre-oiled and ready to use, making it a simple and cost-effective upgrade for better performance.
Versatile Fitment: Designed for compatibility with a wide range of applications.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Reliable Warranty: Backed by a 1-year limited warranty for peace of mind.