Detailed Product Description Pipe Fitting (In line duct fan fitting) Pipe Fitting (GI steel elbow, SS steel pipe elbow, ducting connector,bend,HVAC ventilaion duct, pipe silencer, reducer, tee) made of galvanized steel and stainless steel Material: Galvanized steel , stainless steelDiameter: Dia.50, dia.60, dia.80mm dia.100mm ...dia.1350mm dia.1400mm etcNote: Special product with special ...