... deep galv BS Standard Galvanzied Blackheart Malleable Cast Iron Pipe Fitting Product Itemmalleable iron pipe fitting: elbows, tees, sockets, bends, nipples, unions, crosses, flanges ... angles, good antirust propertyProduct UsageSuitable for joining pipe lines of team, gas, oil, air BS Standard Galvanzied Blackheart Malleable Cast Iron Pipe Fitting