Warwick Hanger 1 in. Galvanized Malleable Iron Split Ring Hanger - Ace Hardware
Highcraft Hinged Split Ring Pipe Hanger, 1-1/2 in. Copper Epoxy Coated Iron Extension Hanger with 3/8 in. Threaded Rod Fitting for Suspending Tubing (5 Pack) - Walmart.com
Oatey 3/4 in. Copper Split Ring Pipe Hanger 33558 - The Home Depot
Oatey 3/4 in. Galvanized Split Ring Pipe Hanger 33552 - The Home Depot
Series 721 Hinged Split Ring Hanger #721 - 124 : Globe Pipe Hanger : https://www.globepipehanger.com
HANGER SPLIT RING 3/4" by SIOUX CHIEF MfrPartNo 516-3GPK2 - Pipe Fittings - Amazon.com