Sioux Chief 558 series tube insulator to be used where necessary to insulate CTS piping in residential or commercial applications. Insert in to wood or metal studs and mount to surface using nail or screw in both of the clamp's provided holes. Fits in to 1-3/8" hole for wood studs or 1-11/32" hole for metal studs.

• Ribs allow pipe to glide easier and more quietly when the pipe expands and contracts
• Split design allows for use after piping run
• Fits both 1-11/32'' and 1-3/8'' holes in metal or wood studs
• Compatible with copper, PEX or CPVC