Firestops play a crucial role in the functionality of your chimney, and if you don not get the right one, it is possible that you have set yourself up for some miserable headaches. With the 3 Inch Monessen Twist Lock Direct Vent Pipe Firestop, you have a tool that is designed to be used with Vent Pipes that have a 4 inch inner diameter. Since your fireplace is a major investment, it is important that you go to the name that means quality and get all of your equipment from there and no place else.
- 3" firestop
- For Monessen Twist Lock Direct Vent Pipes with a 4" inner diameter and a 7" outer diameter
- Suitable for vertically-terminated and horizontally-terminated applications