Specially formulated, biodegradable water-mixible concentrate for the cleaning of foam air filter elements. Offers outstanding cleaning properties, has high capacity and is economical to use. Gently detaches dust, oil and grease without damaging the foam pores. Specially blended for use with foam air filters as used on many OEM and aftermarket filter kits. Removes dust, oil and grease stains by submerging the filter in a solution of cleaner and water and kneading the filter out. Use 1 part cleaner to 5-10 parts water, depending on level of contamination. Allow filter to dry after cleaning before treating it with air filter oil. Note: Use disposable gloves and avoid contact with eyes.