Midland Metal 65780API API Coupling, 3 in FPT x 3 in FPT, Steel, Black, 3000 lb

API Coupling, Connection Size 1: 3 in, Connection Type 1: FPT, Connection Size 2: 3 in, Connection Type 2: FPT, Steel, Black, 3-8 Thread, Pressure Class: 3000 lb, For Use With: SCH 80 and SCH 160 Nipple and Pipe, 4 in Dia x 4-1/4 in L