Stainless Steel 2 1/2" Female Camlock Fitting x 2 1/2" Male Pipe Thread (USA)
Horiznext npt 1/2 (means the inner diameter of the thread is 3/4 inch) cast female taper threaded pipe coupling, stainless steel 304 coupler for mush tun cooler and shower hose, 2 pcs - Amazon.com
Amazon.com: 304 Metal Stainless Steel Pipe Fitting, Coupling, Npt 1/2 x Npt 1/2 Inch Female Pipe 1 Piece : Industrial & Scientific