EWC CONTROLS 9URD Motorized Damper, Air Flow Control

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

Honeywell ARD10TZ / U Automatic Damper, 10 Inch Diameter, Galvanized Steel, Efficient Airflow Control

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

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

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

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

2 Pcs 8 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector

[Upgraded] Hon&Guan 10 Inch Duct Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent

Aynaxcol HVAC Duct Manual Volume Damper 6Inch Air Flow Regulator Airflow Ducting Backdraft Damper For Air Ventilation System (6 Inch)

6 Inch HVAC Duct Backdraft Damper, Full Stainless Steel Manual Volume Damper With Sleeve, Adjustable Airflow Control For Range Hoods, Fans, Pellet

PATIKIL 12" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control For Air Ventilation System

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 4 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, For

PATIKIL 10" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control For Air Ventilation System

380-114 - Flow Control For Steam Damper Cylinder - B&C Technologies