Amazon.com: Stainless Steel Straight Exhaust Pipe (3.5" inch OD 5' feet long) : Industrial & Scientific
Amazon.com: 1/2" OD x 6 ft. Welded 304 Stainless Steel Tubing : Industrial & Scientific
Beduan 1 Inch Stainless Steel Pipe Support Wall Ceiling Mount Pipe Strap Clamp Adjustable Pipe Bracket Holder for PVC Metal Water Pipe Tube Fitting (Range 25-27mm) - Amazon.com
Eyourlife 2 PCS Stainless Steel Ceiling Pipe Bracket, Wall Mount Ceiling Pipe Support, Adjustable Pipe Support Clamp Pipe Straps with Screws, Fit for Dia 25mm 3/4 inch Pipe - Amazon.com
Amazon.com: 20mm OD x 2m Seamless 316 Stainless Steel Tubing : Industrial & Scientific