babominimer White PVC Backdraft Damper Ventilation Check Valve for Round Duct Pipes 80mm-200mm, Exhaust Fan Fitting for Bathroom or Kitchen to Stop Air Backflow (80mm)

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  • Improved Indoor Comfort By maintaining proper air direction and freshness, this check valve supports a healthier environment, reducing condensation risks and enhancing comfort throughout your home.
  • Smooth Airflow Mechanism Engineered with a balanced flap design that opens under low air pressure and closes instantly when the fan stops, insuring energy efficiency and quiet operation.
  • Long Lasting PVC Construction Crafted from high-grade white PVC, this connector resists erosion and deformation, making it a dependable choice for both residential and commercial ventilation projects.

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