Can this be used in a greenhouse as an intake shutter near the floor that activates when the exhaust fan near the ceiling runs?

I think it would work, if the shutters are mounted inward. The flaps work very well, and even by themselves with a light wind. Don’t expect them to fully open for your application. They will only open enough to break the negative side air created by the exhaust fan.

I will be using this with out a fan. Does it have a manually propped open option?

No, it takes either negative air or suction pressure to open but you can use your hand to open blades then prop it open if you like. The intent is to stay closed unless relieving negative pressure .

Can it be mounted in other than a vertical orientation? I'm looking to install on a diagonal (approximately 45 degree / negative pressure above)

What are you going to use to open it a fan? I would also pay attention to water proofing for a non vertical orientation.. It has one main bus bar that opens all of the louvers at once

Does the lever on the back attach and move all of the louvers at the same time?

Yes! The lever is attached to all the louvres. I use my fan to open mine I do not have anything attached to the lever. It would be possible to open and close it with an actuator attached to the lever.

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Dayton 12" Backdraft Damper/Wall Shutter, 12-1/2" x 12-1/2" Opening Required (1, 3-Panel)

Product ID: 166327602

Details

Brand
Dayton
Color
Silver
Controller Type
Button Control
Electric fan design
Exhaust Fan
Material
G-90 Steel
Mounting Type
Wall Mount

🔇Quiet Felted Aluminum Louvers

🌬️2000 FPM Max Air Velocity

🛠️G-90 Galvanized Steel Frame

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Description

🌬️ Elevate your airflow game with silent, steel-strong precision!

WHISPER QUIET OPERATION - Felted aluminum louvers combined with nylon bushings and stainless steel pivot pins minimize noise for a peaceful environment.
EFFORTLESS AIRFLOW CONTROL - Automatic opening shutters activate seamlessly with your vertical exhaust fan for optimal ventilation without manual intervention.
PRECISION FIT FOR 12 FANS - Designed specifically for 12" diameter fans with a 12-1/2" x 12-1/2" shutter opening, ensuring perfect compatibility and easy installation.
WEATHER RESISTANT READY FOR OUTDOORS - Engineered for vertical wall mounting with weather-resistant materials, making it ideal for both indoor and outdoor use.
BUILT TO LAST WITH INDUSTRIAL GRADE STEEL - Durable G-90 galvanized steel frame and tie rods ensure long-lasting performance and corrosion resistance.

The Dayton 12" Backdraft Damper/Wall Shutter is a robust ventilation accessory designed for vertical-mounted 12" exhaust fans. Featuring a corrosion-resistant G-90 galvanized steel frame, felted aluminum louvers for quiet operation, and durable nylon bushings with stainless steel pivot pins, it ensures efficient, automatic airflow control. With a max velocity of 2000 FPM and weather-resistant construction, this 3-panel shutter fits a 12-1/2" x 12-1/2" opening, delivering reliable performance for both indoor and outdoor applications.

Specifications

ASIN	B07HLXHRCN
Best Sellers Rank	#663,025 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,809 in Household Ventilation Fans
Blade Material	Aluminum
Brand	Dayton
Brand Name	Dayton
Collection Name	Exhaust Fan Accessories
Color	Silver
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.6 out of 5 stars 207 Reviews
Electric Fan Design	Exhaust Fan
Electric fan design	Exhaust Fan
Finish Type	Mill Finish
Included Components	Nylon bushings, Stainless steel pivot pins
Indoor Outdoor Usage	Outdoor
Installation Type	Wall Mount
Is Product Cordless	No
Manufacturer	CAI - DAYTON
Material	G-90 Galvanized Steel, Felted Aluminum
Model Name	2C518
Model Number	2C518
Mounting Type	Wall Mount
Number of Blades	3
Number of Power Levels	3
Part Number	2C518
Power Source	Corded Electric
Recommended Uses For Product	Exhausting
Size	15" x 15"
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Automatic Opening, Quiet Operation, Weather Resistant, Vertical Mount, Wall Mount
Special Features	Automatic Opening, Quiet Operation, Weather Resistant, Vertical Mount, Wall Mount
Speed	2000 FPM
Style	Modern
Switch Type	Push Button
UPC	696333290364
Unit Count	3.0 Count
Wattage	50 watts

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C$9908

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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