Motorex Racing Bio Liquid Power is an air filter oil that has been specially developed for off-road motorcycles and quads (ATV) equipped with reusable foam air filters. This special, biodegradable oil can absorb very large amounts of dust and dirt. Its active ingredients ensure that any penetration of hazardous materials into the engine is prevented, even under the toughest operating conditions. Developed by MOTOREX Racing Lab in close co-operation with Twin Air. Biodegradable. For reusable foam air filters. Excellent adhesion. Guarantees optimum air flow. Makes cleaning simple.