These fittings are built to deliver sturdy and trusted connections for various piping programs and to resist the rigors of demanding environments. The black malleable iron fittings are perfect for gas and oil applications, though the galvanized iron fittings are great for non-potable drinking water and out of doors use https://andrexywso.blogdosaga.com/38479627/the-best-side-of-malleable-iron-fittings