Twin Air Bio Liquid Power Oil Spray - 600ml. 159018M (1) Boost your bikes performance with the first biodegradable air filter oil that works in ALL riding conditions. GREEN Liquid Bio Power prevents dirt, dust, and even water from entering your carburetor. Alcohol base allows easy, even penetration, then dissipates quickly to form a super-sticky, dirt-grabbing shield. Available in Spray or in Liquid form