Belimo AFB24-SR Spring Return Fail-Safe Proportional Damper Actuator, Direct Coupled, No Auxiliary Switch, 3', 18 Ga Appliance Cable, 1/2" Conduit

Copkim 4 Pieces 4 Inch Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector With 2 Spring

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

Valemo VDM10B, 24 VAC General Purpose Spring Return Damper Motor Actuator, Replace Honeywell M847D & Other Damper Actuators (See More Below), With

DIY Barn Door Soft Close Mechanism Spring Buffer Damper Hole-Free Sliding Barn Door Hardware Adjustable Door Stoppers (Torpedo80)

4" Backdraft Damper, One-Way Ducting Insert With Spring-Loaded Aluminum Flaps, Airflow Backflow Preventer For HVAC Vents, Exhaust Fans, Range Hoods,

2PCS Barn Door Soft Close Mechanism Spring Buffer Damper Upgraded Hole-Free Version Sliding Barn-Door Hardware For Weight 70-160 Pounds Adjustable

FRESH SPEED 4-Inch Backdraft Damper Shutter Inline Spring Loaded For Dryer Duct

AC Infinity 8" Backdraft Damper, One-Way Airflow Ducting Insert With Spring-Loaded Folding Blades For 8" Ducting In Range Hoods And Bathrooms Fans

AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert With Spring-Loaded Folding Blades For 4" Ducting In Range Hoods And Bathrooms Fans

Realplus 4Pcs Barn Door Soft Close Mechanism Spring Buffer Damper Sliding Barn Door Hardware For Door Weight 70-160 Pounds, Adjustable Actuators One

BELIMO Spring Return Damper Actuator, 24VAC/DC, AFB24-SR

38600L 24 Volt Synchron Replacement 2 Wire Spring Return Damper Motor - Normally Same Day Ship - Replaces P/N 38600L

Honeywell MS8105A1030 Spring Return Actuator Damper Motor, 44 On/Off

HONEYWELL, Residential Damper, 20 X 10 In, Steel, Spring Return Motor, 24 VAC