162 Holdrite 3/4 in Plastic Through-stud Tube Isolator Insert Wood through-stud isolator inserts are ideal for wood through-stud applications, isolating a range of pipe types from wood framing.
- Positioning and dissimilar metal isolation for copper, CPVC, and PEX tubing
- Uses 1-3/8 in. hole
- Comes in a range of options to support various CTS pipe sizes