Ductile Iron Grooved Fittings With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross, Ductile Iron Grooved Fittings With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross, Cap, Mechanical Tee, Mechanical Cross cap...etc with superior quality and comeptitive price with FM and UL approved.Material: Ductile iron in ...