



The 304 stainless steel Drop-In Damper is designed for use with most existing chimney caps. Installation is quick and easy—simply remove the chimney cap, drop in the damper, or slide the damper legs into the cap and position it in the flue.
Constructed from durable 14-gauge 304 stainless steel, this damper features a built-in frost-breaking mechanism for reliable performance in all seasons. It operates using a counterweight system and includes a standard cable and handle assembly for simple operation.
Backed by a lifetime guarantee, the Drop-In Damper offers a long-lasting, rust-resistant solution for improving chimney efficiency and draft control.
Available Sizes (Round)
- 6” Round – Fits 5.75” Flue
- 7” Round – Fits 6.75” Flue
- 8” Round – Fits 7.75” Flue
- 9” Round – Fits 8.75” Flue
- 10” Round – Fits 9.75” Flue
- 11” Round – Fits 10.75” Flue
- 12” Round – Fits 11.75” Flue
- 14” Round – Fits 13.75” Flue
- 16” Round – Fits 15.75” Flue
The 304 stainless steel Drop-In Damper is designed for use with most existing chimney caps. Installation is quick and easy—simply remove the chimney cap, drop in the damper, or slide the damper legs into the cap and position it in the flue.
Constructed from durable 14-gauge 304 stainless steel, this damper features a built-in frost-breaking mechanism for reliable performance in all seasons. It operates using a counterweight system and includes a standard cable and handle assembly for simple operation.
Backed by a lifetime guarantee, the Drop-In Damper offers a long-lasting, rust-resistant solution for improving chimney efficiency and draft control.
Available Sizes (Round)
- 6” Round – Fits 5.75” Flue
- 7” Round – Fits 6.75” Flue
- 8” Round – Fits 7.75” Flue
- 9” Round – Fits 8.75” Flue
- 10” Round – Fits 9.75” Flue
- 11” Round – Fits 10.75” Flue
- 12” Round – Fits 11.75” Flue
- 14” Round – Fits 13.75” Flue
- 16” Round – Fits 15.75” Flue