... galv black Good quality Cast Iron Pipe Fitting Hydraulic Quick CouplerMaterial: malleable ironFinish: galvanized,blackAs a ... , nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps etc.Cast Iron Pipe Fitting Hydraulic Quick Coupler ... :Product ItemMalleable iron pipe fittings: elbows, tees, sockets, bends, nipples, unions, crosses, flanges ...