Revo's high-performance ProPanel Air Filter Elements directly replace your vehicle's paper or cotton OE air filter with a less restrictive and more durable multi-layer foam element that achieves more effective filtration and improves engine performance.Multi-layer foam design increases the filter's surface area and improves airflow volume.A washable filter medium reduces the overall cost of servicing in the long term and restores performance.More effective at trapping dust and dirt than standard factory paper or cotton filters.Compatible with your OE airbox, requires no additional parts and is easy to fit.A steel mesh system reinforces the filter to hold its shape and maintain efficiency under high intake flow pressure.Lifetime warrantyProPanel Air Filter Elements use a 3-layer reticulated polyester foam design where each layer becomes progressively finer to trap smaller and smaller levels of dust and dirt from the intake path. This tri-foam design ensures that different particulate si