BESSEY H-Style 3/4 in. Black Pipe Clamp Fixture Set BPC-H34 - The Home Depot
26.9mm 3/4 inch tube clamp fittings - Fastclamp, Kee Klamp, Interclamp, keyclamps and Q Clamp3/4 inch C41 Clamp On Tee keyclamp tube/pipe clamp direct from Hacketts Pipeline - Hacketts Pipeline
Mastercraft H Style Pipe Clamp Fixture Set for 3/4-in Pipe, Quick Release | Canadian Tire
Oatey 3/4 in. Standard Pipe Clamp (5-Pack) 33524 - The Home Depot