Oatey 4 in. Galvanized 2-Hole Pipe Hanger Strap 33576 - The Home Depot
1/2" - 1-1/4" Dia. Stainless Steel Hose Clamp
Oatey 1/2 in. Galvanized 2-Hole Pipe Hanger Strap (10-Pack) 33542 - The Home Depot
10Pcs 1-3/4 Inch Stainless Steel Conduit Clamps, Two Hole Strap U Bracket Rigid Pipe Strap Metal U Clamp Conduit Strap Tension Clips U-tube Clamp Heavy Duty - Walmart.com