[Upgraded] Duct Damper 4 Inch, Backdraft Damper One-Way Airflow Vent Damper Bac

Description: 【Upgrade design】 The 4 inch damper on both sides of the top and bottom of the two new concave inward pressure rib, and increase the thickness to 0.6mm,to ensure that the product is more solid, not easy to damage.【Material】Hon&Guan 4 backdraft damper and the flap leaves is made of a galvanized steel, the axis are made of aluminum, while the spring are made of carbon steel-2PCS【Installation method】The position of the 4 inch duct damper spring should be horizontal for horizontal installations so that it can open and close optimally【Wide applications】Back draught valves can be inserted into havc ducting which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow. Rubber ring ensure 100% closure and quiet closing. Product Description

Price: 27.07 USD

Location: Denver, Colorado

End Time: 2025-01-06T00:22:40.000Z

Shipping Cost: 0 USD

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Item Specifics

Restocking Fee: No

Return shipping will be paid by: Seller

All returns accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money Back

Brand: Does not apply

MPN: Does not apply

Size Name: 4 inch-2pcs

Batteries Required?: No

Material: Galvanized Steel

Item Weight: 9.9 ounces

Batteries Included?: No

Size: 4 inch-2pcs

Package Dimensions: 7.36 x 4.21 x 4.17 inches

Type: Does not apply