K&N Filters universal rubber air filter details
K&N Filters Universal Rubber Air Filter – 2" FLG O/S x 4"x3" x 2-3/4" H – Oval (KNNRU-1820)
The K&N Filters Universal Rubber Air Filter – 2" FLG O/S x 4"x3" x 2-3/4" H – Oval (KNNRU-1820) is engineered for versatility and long-lasting performance. Built with a 2-inch flange and an oval-shaped rubber base, this universal air filter offers excellent airflow and filtration in a compact size. It’s ideal for custom intake setups, off-road builds, or replacement filters where space and fit matter. The oiled cotton gauze media enhances filtration efficiency while being washable and reusable. Backed by K&N’s solid reputation, this air filter helps optimize engine performance without compromising protection.
Features and Specifications:
Flange Inside Diameter: 2 inches
Base Outside Diameter: 4 inches x 3 inches
Filter Height: 2-3/4 inches
Filter Shape: Oval
Top Style: Rubber
Performance Boost: Enhances horsepower, acceleration, and engine performance with advanced air filter media.
Filtration Layers: Features 4 layers of premium cotton gauze with tack agent for superior contaminant blocking.
Durable Build: Constructed using rugged materials and advanced manufacturing for long-lasting performance.
Maintenance Interval: Requires cleaning only every 75,000 miles under normal highway driving conditions.
Easy Setup: Pre-oiled and ready to install for a quick, hassle-free upgrade.
Universal Fit: Compatible with a wide range of vehicle applications.
Eco-Friendly: Reusable design reduces landfill waste from disposable air filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-1820
