brass linear manifold ISO9001-2000 and CE certification. brass linear manifold.brass body.brass stem,core.plastic handle.a set of linear manifold includes 2 manifolds,electronic accuators,2 air venting valves,2 tees,2 mini ball valves,an electronic Thermometera pair of steel shelf.size:1"F X 1/2"-21"F X 1/2"-31"F X 1/2"-41"F X 1/2"-51"F X 1/2"-61"F X 1/2"-71"F X 1/2"-81"F X 1/2"-91"F X 1/2"-101"F ...