Cast Iron fitting Hydraulic Quick Coupler1.1/8''-6'' bushing 2 BS,ANSI,DIN Thread ... ,Galvanized 4 ISO,SGS,CIQ Cast Iron Pipe Fitting black Hydraulic Quick water Coupler size: 1/8'-6' Bushing Material: malleable iron Finish ... , backnuts, crosses over, round caps etc. Cast Iron Pipe Fitting Hydraulic Quick Coupler, size: 1/8'-6' BUSHING Product ItemMalleable iron pipe fittings ...