Amazon.com: Beduan Stainless Steel 3/8" Hose Barb to 3/8" Male NPT Home Brew Fitting Water Fuel Air (Pack of 2) : Industrial & Scientific
Amazon.com: Horiznext NPT 1" male thread to 1 inch O.D. barb stainless steel pipe fitting, for connecting 1 inch I.D. air hose tubing, pack of 2 pcs : Industrial & Scientific
304 SS Hex Hose Nipple - 3" ID Hose Barb x 3" Male NPT