... hot deep galv, bake galv, black 4.TUV,UL5. Brand: O Product Itemcast iron pipe fitting : elbows, tees, sockets, bends, ... nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc.Size18"-6"Thread StandardBS ANSI & DINFinishBlack, Eclectic Galvanized ... for joining pipe lines of team, gas, oil, air O Brand Two Times Galvanized Malleable Iron Pipe Fitting union gasket