6 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector

Description

🌬️ Stop the Backdraft, Start the Comfort!

This 6-inch backdraft damper by Miuwauer features a galvanized steel frame, aluminum blades, and stainless steel springs designed to withstand temperatures up to 50°C. It prevents unwanted airflow with a spring-loaded, one-way flap that seals airtight using a rubber gasket. Easy to install in both flexible and rigid ducts, it’s ideal for a wide range of HVAC applications including ACs, dryers, and exhaust systems.