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Oyezvary 4 Inch HVAC Duct Manual Volume Backdraft Damper Stainless Steel Adjustment Handle Airflow Control Valve for Ventilation System

Marketplace items sold by a third party are not eligible for Lowe’s offers.

  • This 4 inch vent damper is made entirely of stainless steel which provides excellent durability and resistance to corrosion in humid and high temperature environments and Built for practical everyday use this item supports common household

  • The manual adjustment handle allows you to easily control the airflow to maintain indoor comfort and prevent backdraft in your ventilation system and The construction focuses on steady performance during regular handling

  • A rubber seal ring ensures airtightness to prevent air leaks and the damper operates smoothly and quietly during opening and closing and Setup is intended to be simple for home users so you can unpack align the parts

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