Highlights:
- Length : 17 in.
- Width : 9-1/2 in.
- Material : Copper
- Maximum Temperature : -15 deg. F
- Keeps all roof vents (sewer, furnace, radon) from freezing up in the winter
- No measuring; just drop it in
- Prevents harmful gases from leaking back into your home
- The copper conducts heat from the sun
- Helps melt snow from top of vent
Reviews
There are no reviews yet.