China Ductile Iron 2 1/2′′ Pipe Fitting Grooved 45 Degree Elbow with FM/UL/Ce Certificate, Find details about China Grooved Fittings, Grooved Fittings & Couplings from Ductile Iron 2 1/2′′ Pipe Fitting Grooved 45 Degree Elbow with FM/UL/Ce Certificate