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
www.hoseshop.com: Stainless Female JIC SS Braid Nominal Hose Fitting
DIN 11851 Sanitary (Dairy) Fitting 34 X 1/8'' x 1/2 inch (13 mm) Hose Pillar DN 15 Stainless Steel EPDM | Tameson.com
Hose Tec TecFlex™ HT-FLEX Series 4" Interlocked 304SS Metal Hose, C x E