Black Steel Hose Barb Combination King Nipple - FastFittings.com
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
G 1-1/2“ to 40mm inside Ø Hose Barb 316 Stainless Steel Adapter | DamenCNC B.V.