No Toil Rim Grease No-Toil Air Filter Rim Grease is meticulously formulated to maintain a secure seal between the air filter and the air box, ensuring that your engine remains free of dirt infiltration through the seal. Features: Biodegradable rim grease Super sealing grease ring will provide extra protection from dust and dirt from entering intake Waterproof, will not wash off with water alone Easy clean up with No-Toil filter cleaner