4 Inch Backdraft Damper, 1 Way Air Flow Stopper ABS Duct Connector Accessory Ducting Pipe Non Return Valve Backdraft Damper 6in Draft Blocker Ventilation Duct Check Valve（2PCS）
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Delivery - Details Unless noted otherwise in the ordering pipeline, ships all items within two days of receiving an order.
Delivery - Details Unless noted otherwise in the ordering pipeline, ships all items within two days of receiving an order.
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Description
- 1. One-Way Airflow Backdraft Damper Designed with a built-in backflow damper, this 4 inch backdraft damper allows air to flow in one direction only, effectively preventing reverse airflow and maintaining stable ventilation performance.
- 2. Blocks Cold Air, Wind & Odors The one-way draft blocker helps stop cold air, outside wind, smoke, and unpleasant odors from entering the ventilation duct, improving indoor air quality and comfort.
- 3. Durable ABS Construction Made from premium ABS material with a sturdy structure, this duct draft stopper offers excellent durability, water resistance, and temperature stability for long-term indoor or outdoor use.
- 4. Fits Standard 4 Inch Ducting Designed for standard 4 inch round ventilation ducts, ideal for HVAC exhaust systems, bathroom exhaust fans, dryer vents, range hoods, kitchens, garages, and home vent systems.
- 5. Easy & Fast Installation Lightweight and compact design allows quick inline installation within minutes. Simply insert into the duct pipe and secure with duct tape or clamps (not included).
4 Inch Backdraft Damper, 1 Way Air Flow Stopper ABS Duct Connector Accessory Ducting Pipe Non Return Valve Backdraft Damper 6in Draft Blocker Ventilation Duct Check Valve（2PCS）
$26.99
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