EcoPlus Air Manifold T Style 3/8 in Inlet - 6 Valve OutletHigh quality chrome air manifolds. Each outlet has individually controlled valves. Barbed ends for use with tubing for a tight fit. Distributes air flow to four or more air stones or air diffusers in order to insure that equal air flow is provided to each air diffuser or air stone. Use with 3/16 inch airline product #708215.