Case Of 10 Radial Air Dampers, Galvanized Steel, 6", 8", 10", 12"Or14" Diameter (4944R-8"-Case10)

PATIKIL 10" HVAC Duct Manual Volume Damper, Stainless Steel Adjustment Flame Retardant Airflow Backdraft Damper Control For HVAC Air Balancing System,

Dayton Mtrzd Damper, For Fan Dia. 24", 100-240V - 3C315

Rectorseal Truaire Grille/Damper 81914 Plastic Ceiling Diffuser With Incorporated Ceiling Box, Easy Installation, HVAC, 8X8 4 Way Grille/Damper

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

Suncourt Zonemaster 4-Inch Normally Closed Motorized Damper - Power Open/Spring Return 24V Vent Damper, Plug-In Transformer Included (ZC204)

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

Fits 10 Inch Neck Air Duct | Steel Round Air Supply Diffuser For Ceiling By Handua | 10" Neck Steel Butterfly Damper&Handle Included | Round Diffuser

HVAC Premium 8 X 8 HVAC Vent Cover - 4 Way Supply Grille - Duct Cover & Diffuser - Low Noise - For Ceiling - With Opposing Damper Blades [Outer

8 Inch Hooded Wall Vent With Screen And Damper,Outdoor Wall Exhaust Vent Cover Wall Cap For Exterior Kitchen Range Hood Ventilation Dryer HVAC Duct

[8 Pack] Fits 2X14 And 14X2 Duct Opening | Floor Register With Louvered Design By Handua | Heavy Duty Walkable Design With Damper | Floor Vent Grille

MIVIDE 2Pack 4 Inch Backdraft Damper Duct, One Way Airflow Ducting Insert For Ducting In Range Hoods, Bathrooms Fans And Kitchen Fan

6 in. Motorized Adjustable Damper, Open

6 in. Motorized Adjustable Damper, Closed

Aprilaire 6726 HVAC Rectangular Damper - 8"X 18"

14 in. Air-Tite Take-Off With Damper