brass linear manifold ISO9001-2000 and CE certification. brass linear manifold.brass body.brass stem,core and union nut.brass clip ring.plastic handle.a set of linear manifold includes 2 manifolds,2 gas valves,2 Tees,2 air venting valves,a pair of steel shelf.size:3/4" X 16-33/4" X 16-43/4" X 16-5