Flueblocker For 13"X35" Chimney Flue - Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool - Better Than Inflatable Pillow

Durablack Stove Pipe 6in. Diameter Damper Section

Flueblocker For 9"X45" Chimney Flue - Chimney Sheep Fireplace Draft Stopper Plug Replacement Damper Fireplace Tool - Better Than Inflatable Pillow

Seal Tight Damper 13" X 13", Air Tight Chimney Damper, Suitable For Wood Burn...

Seal Tight Damper 9" X 13", Air Tight Chimney Damper, Suitable For Wood Burni...

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 8 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel,

6 in. Damper With Collar

Lock-Top 09120 Stainless Steel Lock-Top 13" X 13" Energy-Saving Damper 09120

Locktop Chimney Damper Lock Tight Damper 8X13

TOP-VIGOR 8 Inch HVAC Duct Manual Volume Backdraft Damper, Galvanized Iron Airflow Control For HVAC, Range Hoods, Fans, Pellet Stove Pipes, Dryer

8" X 8" Lyemance Chimney Damper

Vestal Fireplace Damper In Throat Front W 10 in D Throat Iron 36

2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector

6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector

4 in. Damper

Round Chimney Damper Kit - Stainless Steel Round Flue Damper

Lock Top Damper - Chimney Top Damper With Cable, Adhesive And Mounting

1-1/2 Inch Tuuber Vent 2X Superior Seal Air Admittance Valve

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 6 Inch/150Mm, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless

Premier Drop-In Round Chimney Damper

Lock Top Damper - Chimney Top Damper With Cable, Adhesive And Mounting

Lock Top Damper - Chimney Top Damper With Cable, Adhesive And Mounting

Lock Top Damper - Chimney Top Damper With Cable, Adhesive And Mounting

Lock Top Damper - Chimney Top Damper With Cable, Adhesive And Mounting

Lock Top Ii Damper - Chimney Top Damper With Chimney Cap And Hardware

6 in. Galvanized Back-Draft Damper With Rubber Seal

Therwen Backdraft Damper Duct Manual Volume Damper With Sleeve Stove Pipe Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing For

Lock Top Ii Damper - Chimney Top Damper With Chimney Cap And Hardware

Lock Top Ii Damper - Chimney Top Damper With Chimney Cap And Hardware

Stainless Steel Chimney Spider Damper 6"" 12 Gauge Drop In

Lock Top Ii Damper - Chimney Top Damper With Chimney Cap And Hardware