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
316 Stainless Steel, 1/4 in x 1/4 in Fitting Pipe Size, 90° Elbow - 1DGG1|4-4 ME-SS - Grainger
Metalwork 304 Stainless Steel Pipe Fitting, Street Tee, Male Run Tee, 1/2" NPT Male x 1/2" NPT Female x 1/2" NPT Female, 1 Pc: Amazon.com: Industrial & Scientific
NPT Thread Pipe Fitting 4 Way Cross (M x F x M x F) Stainless Steel 30 | ShopHFS
ZUSA-PF-131 | Pipe Fittings - Square Head Plug, Male NPT, 304 Stainless Steel, Class 150 | USA Industrials | MISUMI
316 Stainless Steel, 2 in x 2 in Fitting Pipe Size, Coupling - 6JK73|60FC111N020 - Grainger