NDL Copper Reducing Coupling C x C Breadcrumb Home / Products / Parts / Fittings / Copper Fittings / Copper Couplings / Copper Reducing Couplings C x C Loading... Customer Part Number: 400R-218138 Brand: NDL Connection Size (In.): 2-1/8 x 1-3/8 Fitting Type: Reducing Coupling Industry Number: W 01074 Material: Copper Net Weight (Lb.): 0.49 Quantity per Package: 100 Size (In.): 2-1/8 x 1-3/8