Universal air filter details
K&N Filters Universal Air Filter – 3" FLG x 6" B x 5" T x 6" H (KNNRF-1047)
The K&N Filters Universal Air Filter – 3" FLG x 6" B x 5" T x 6" H (KNNRF-1047) is a high-performance replacement filter designed to fit a wide range of vehicles with universal cone-style filter mounts. Built to provide increased airflow and filtration efficiency, this reusable and washable air filter helps support engine performance over the long term. It features a durable cotton gauze filter media, a 3-inch inside diameter flange, and a cone-shaped body to support custom air intake setups. This model is ideal for automotive enthusiasts looking to maintain horsepower and protect engine internals with consistent air quality.
Features and Specifications:
Flange Inside Diameter: 3 in (76 mm)
Base Outside Diameter: 6 in (152 mm)
Top Outside Diameter: 5 in (127 mm)
Height: 6 in (152 mm)
Clamp-on Design: Allows quick and secure attachment for easy installation.
Carbon Fiber Composite: Enhances aesthetics while maintaining durability.
Durable Build: Engineered for strength and long-lasting performance.
Lightweight Construction: Weighs less than standard filter tops.
Reusable Material: Fully washable for extended product life.
Flexible Flanges: Pliable flanges absorb vibrations and stretch up to 1/16 in. for a versatile fit.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRF-1047




