K&N Filters Universal Rubber Filter – 3" 5° Flange x 4-1/2" OD x 4" H (KNNRB-0900)
Enhance your engine’s performance with the K&N Filters Universal Rubber Filter – 3" 5° Flange x 4-1/2" OD x 4" H (KNNRB-0900). Designed for high airflow and superior filtration, this universal air filter helps improve throttle response and engine efficiency. The 5-degree flange ensures a secure fit, while the durable rubber construction provides long-lasting reliability. With a 4.5-inch outer diameter and 4-inch height, this filter is ideal for various applications, making it a versatile choice for automotive enthusiasts looking to optimize their intake system.
Features and Specifications:
Flange Diameter: 3 inches
Flange Angle: 5 degrees
Outer Diameter: 4.5 inches
Height: 4 inches
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and engine performance.
4 Layers of Protection: Premium cotton gauze layers with a specialized tacking agent trap harmful contaminants.
Rugged Construction: Built with high-quality materials for durability and long-lasting performance.
Low Maintenance: Requires cleaning only every 75,000 miles under normal highway conditions.
Easy Installation: Pre-oiled and ready to use for a quick, cost-effective performance upgrade.
Universal Fitment: Compatible with various applications for versatile use.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRB-0900




