The PJ1 range of specialty lubricants, paints and maintenance products leads the way providing unrivaled performance for bike and motor sports enthusiasts the world over. The PJ1 Foam Filter Cleaner offers an outstanding product to clean your motorcycle or ATV air filter which will improve engine performance and horsepower. Maximizes your motorcycle or ATV's air filter efficiency. Designed to dissolve dirt and grime. Easy to use with simple spray on and rinse off application. Won't harm glues. For foam and fabric filters. How to use this oil: Step 1: Shake can well before each use. Step 2: Apply PJ1 Filter Cleaner liberally to both inner and outer surfaces until filter is completely saturated. Step 3: Wait 15 minutes, rinse thoroughly and let dry completely. Step 4: Apply PJ1 Filter Oil according to the directions on the label.