TA-VIGOR HVAC Duct 8 Inch Stainless Steel Backdraft Damper - Manual Adjustable Airflow Control Valve for Dryer Vent, Range Hood, Fans, Boiler Exhaust with Airtight Seal & Sleeve (1PC)

Additional Details from the Manufacturer

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More features

• ✅ 100% Stainless Steel: Port Outer Diameter: 200mm /7.88"; Length: 190mm / 7.5". Heavy-duty duct damper is made of rustproof 304 stainless steel, including body, flap, and hardware, ensuring superior durability and corrosion resistance.
• ✅ Precision Airflow Control: Calibrated manual handle adjusts from 0-90° with visible scale markings for accurate ventilation management and backdraft prevention.
• ✅ Airtight Silicone Seal: High-temperature rubber gasket ensures complete closure, eliminating air leaks while maintaining whisper-quiet operation.
• ✅ Time-Saving Installation: Simple slide-in design—secure with clamps or foil tape for instant setup.
• ✅ Multi-System Compatibility: Ideal for kitchen exhaust hoods, dryer vents, pellet stove exhausts, bathroom fans, HVAC systems, and commercial ventilation applications.