Please allow 5-7 business days for initial shipping as we work to get stock into our system. Pipe Connector, Connection Size 1: 3/4-in, Connection Type 1: Male NPTF, Connection Size 2: 1-1/4-in, Connection Type 2: Female NPTF, Steel, 3/4-14 x 1-1/4-11-1/2 Thread, Maximum Operating Pressure: 2500 psi, 375 deg F Operating