Guerrilla Paintball Air Systems and Accessories are market leaders in the world of paintballing air systems. With the new M4.5 tank regulator the range of paint ball air tanks of 0.8, 1.1, 1.5ltr and now the the 100cu are essential pieces of paintball equipment. The Cobra Remote Hose, Pro Fill Nipple and air fill whips all say that you should make Guerrilla Air products your first choice.