Can this be mounted horizontally?

Yes, I put it in a room AC vent, to outside, it wasnt at a 90 degree angle, appr a 45 anyway, nice product, spring loaded, working great for me

Can the 12" mount vertically? My application need is for my kitchen exhaust fan which exits into attic.

NOTE: by most state's codes; nothing should be openly venting into the attic. I can run through the attic, but needs to be vented outside. That said, the flapper is spring loaded and is opened by the force of the airflow created by your exhaust fan. I suspect it can be mounted vertically, just make sure the flappers are oriented so they open in the direction of airflow (upward) when the exhaust fan comes on. Hope this helps.

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🚀 Seal the Deal on Airflow Control!

DURABLE DESIGN - Constructed with robust steel and aluminum for longevity.
VERSATILE APPLICATION - Ideal for bathrooms, kitchens, and HVAC systems.
INDOOR OUTDOOR READY - Perfect for any environment, ensuring optimal airflow.
EFFORTLESS INSTALLATION - Quick DIY assembly with press-on ducting.
EXTREME TEMPERATURE TOLERANCE - Operates efficiently from -22°F to 400°F.

The 4" Inch Backdraft Damper is a high-performance solution designed for both straight and flexible duct systems. Made from durable steel with aluminum valve flaps, it ensures efficient air exhaust in bathrooms, kitchens, and HVAC applications. With a heat resistance range of -22°F to 400°F, this damper is perfect for both indoor and outdoor use, making it a versatile addition to your ventilation needs.

€ 38.05

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Finish Types	Painted
Electric Fan Design	Exhaust Fan
Style Name	Modern
Color	Silver
Blade Material	Plastic
Material Type	Metal
Switch Type	Push Button
Indoor Outdoor Usage	Indoor
Control Method	Touch
Is Product Cordless	No
Is Electric	Yes
Number of Power Levels	1
Wattage	60 watts
Number of Blades	5
Power Source	Corded Electric
Room Type	Kitchen
Additional Features	Bladeless
Recommended Uses For Product	Exhausting, Cooling
Controller Type	Button Control

- 4" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4")

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