Amazon.com: Horiznext npt 1/2 stainless steel hex pipe fitting, 3/4 inch male thread O.D. water hose connector, for valve shower faucet tube air gas line plumbing coupler extension.(4 pcs) : Industrial & Scientific
USA Industrials - Pipe Reducing Hex Nipple: 1-1/2 x 1″ Fitting, 304 Stainless Steel - 96968623 - MSC Industrial Supply