Sewer Skewer 451188 Sewer Vent Defroster, Copper, 17 in

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