Oatey Insulating Pipe Hanger Clamps, 6-pk., 3/4 In.

6 Pack 3/4-Inch Insulating Pipe Clamp, Designed To Eliminate Notching & Wrapping Of Pipe When Running Water Lines Through Framing, Reduces Water Line Noise & Vibration, Made Of Durable Polypropylene To Prevent Corrosion, Polybagged.
No corrosion -- made of durable polypropylene
Temperature range of 0F to 180F
Ribbed design allows faster cooling and pipe expansion and contraction
Can be used on hydronic systems
Reduces water line noise and vibration