Anvil International offers the broadest line of Malleable Iron Fitting in galvanized finish. Every fitting is manufactured and tested to meet Anvils strict quality standards. All Anvil Class 150/300 Malleable Iron Fittings conform to ASME B16.3 and unions conform to ASME B16.39. All elbows and tees 3/8 inch(10 DN) and larger are 100 percent gas tested at a minimum of 100 PSI (6.9 bar). Brand Name: Anvil End 1 Diameter: 1 in. End 1 Type: FPT End 2 Diameter: 1 in.