Stainless Steel Wall Mount Ceiling Mount Pipe Supports, Adjustable Pipe Bracket Clamp Pipe Strap for Dia 25mm (3/4-inch) Pipe Tube, Set of 2 - Amazon.com
RTSH-HD: Heavy Duty Pipe Supports - Rooftop Support Systems
Pipe Support for 3" Pipe, 30" High - ARGCO.COM
Holdware 3PCS Adjustable Pipe Support Bracket Clamp Pipe 2 Inch Strap Stainless Steel Wall Mount Ceiling Mount Pipe Supports with Screws for Fix Dia 2inch Pipe Tube or Rod - Amazon.com
Pipe Support Split Ring - 1-1/2" OD x 6" – sloanrepair