Anvil 8700122701 Malleable Iron Pipe Fitting, Reducing Tee, 3/4" x 1/2" x 1/2" NPT Female, Galvanized Finish Reducing tee to connect and branch three pipes of different sizes Female National Pipe Taper (NPT) threads on all three ends for connecting to male pipes Made from malleable iron for tensile strength National Pipe Taper (NPT) threads for creating tighter seals than straight threads Galvanized finish resists rust in water, air, and steam applications