Anvil 8700126207, Malleable Iron Pipe Fitting, 45 Degree Elbow, 3/4" NPT Female, Black Finish 45-degree elbow for changing flow direction Female National Pipe Taper (NPT) threads for connecting male threaded pipes Made from malleable iron for tensile strength National Pipe Taper (NPT) threads for creating tighter seals than straight threads Black finish resists rust in oil and gas applications