Twin Air is a famous brand known as one of the world´s largest manufacturers of air filters. The company design and offer air filters with superior production techniques and is made of the highest quality material to suit all cross bikes as well as quads. Twin Air is used by more pro teams than all other manufacturers combined. TWIN AIR was the inventor of foam filters that provides an optimal solution to prevent dirt from entering the carburetor to the engine. Twin Air focuses on innovative washable foam filters with filter oil that stops dirt, dust, sand, and water from entering the carburetor to provide unbeatable performance.