Amazon.com: MroMax 304 stainless steel Male to Male Straight Pipe Reducing Hex Nipple Fitting G1/4 x G1/4 Male Connector 2 Points/DN8 Silver Tone 3pcs : Industrial & Scientific
Amazon.com: Beduan Stainless Steel Pipe Fittings, 1/2" NPT Male x 1/2" NPT Female Threaded, 4" Length Nipple Cast Pipe (Pack of 2) : Industrial & Scientific
Pipe Fittings Direct. 1 1/2 inch NPT x 10 inch length Pipe Nipple, Threaded Both Ends, Seamless Schedule 80 304 Stainless steel pipe.
Stainless Steel Nipple, 3" x 6" S/40 Thread Both Ends (TBE) 304/304L NPT
1pcs Ss 304 Stainless Steel Pipe Fittings 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" Male To Male Threaded Water Connection Adapter - Pipe Fittings - AliExpress
Guardian 3/4 in. x 10 ft. S40 304/304L Stainless Steel WLD Non-Threaded Pipe T4PPE10WD - The Home Depot
RS PRO Threaded Steel & Stainless Steel Pipe, 2m Long, 13.15mm Nominal Outer Diameter, 1/4 in BSPT Connection - RS Components Indonesia