Will the exhaust of a generator open the louvers?

NO! The exhaust air flow from a generator will be too concentrated. Air flow to open louver is 18 inches diameter. Carbon monoxide is poisonous!

which size would you recommend for installing between studs that are 16" on center?

It is difficult to answer not seeing what you are doing. The 14in is 17 3/4 inch outer, so if you truly have 16 in center you should have 16 inch opening between studs which would give you little over 1/2 inch of fan frame to reach and attach to both studs.. So you may have to drill holes through the side metal frame . The 12in shutter would be to small IF you are wanting to reach both studs. The 16in shutter is to big to fit between studs by 1/2 inch, and you do not want to cut studs. good luck

I need one that mounts on the outside of the structure (framed in after mounting). this one mounts on the inside to open out. is there another option?

If you are going to use this unit for venting outwards you can mount it on the outside and the louvers will still move outwards. I mounted mine on the outside and I don't see how you can get it backwards.

Instead of a fan can I use an electric motor to ope and close?

No, there is no linkage to connect a motor.

Ipower 16 Inch Square Aluminum Automatic Gravity Shutter Louver Vent

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🌬️ Elevate your airflow game with iPower’s sleek, storm-proof automatic shutter!

PRECISION 16 INCH FIT - Perfectly sized for homes, garages, and greenhouses—seamless integration guaranteed.
PREMIUM ALUMINUM BUILD - Rustproof, corrosion-resistant louvers that maintain sleek aesthetics and long-term durability.
PLUG PLAY INSTALLATION - Comes fully assembled for quick wall mounting; just hardwire and enjoy optimized airflow.
STORM READY WEATHERPROOFING - Fully closes to block rain and withstand hurricanes and tornadoes—peace of mind in any climate.
EFFORTLESS AUTOMATIC OPERATION - Gravity shutter opens with airflow and closes tightly when off—smart ventilation without lifting a finger.

The iPower 16-Inch Square Aluminum Automatic Gravity Shutter Vent combines precision engineering with premium corrosion-resistant aluminum to deliver a durable, weatherproof ventilation solution. Designed for easy wall mounting in homes, garages, and greenhouses, it automatically opens with airflow and closes tightly to block water and debris. Engineered to withstand extreme weather, this vent ensures efficient heat, moisture, and odor removal while maintaining a sleek, modern look.

Specifications

ASIN	B0DK5G8PGB
Best Sellers Rank	#199,312 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #33 in Exterior Louver Window Shutters
Blade Length	2.76 Inches
Blade Material	Aluminium
Brand	iPower
Brand Name	iPower
Color	Silver
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.4 out of 5 stars 529 Reviews
Electric Fan Design	Exhaust Fan
Electric fan design	Exhaust Fan
Finish Type	Metallic
Included Components	Automatic Gravity Shutter
Indoor Outdoor Usage	Indoor
Installation Type	Hardwired, Wall Mounted
Is Product Cordless	No
Item Dimensions D x W x H	19.29"D x 19.29"W x 2.76"H
Item Type Name	Automatic Gravity Shutter
Manufacturer	iPower
Material	Aluminum
Model Name	HIDAMP16
Model Number	HIDAMP16
Motor Type	AC
Mounting Type	Wall Mount
Number of Power Levels	1
Part Number	HIDAMP16V1
Power Source	ac
Product Dimensions	19.29"D x 19.29"W x 2.76"H
Recommended Uses For Product	Exhausting
Room Type	Kitchen
Size	16 Inch
Special Features	Manual
Standby Power Shutoff	Efficient
Style	1-Pack
Switch Type	Touch
UPC	198401026795
Unit Count	1.0 Count

Reviews

A**R

23.10.2023

C**N

21.03.2026

S**O

23.08.2025

O**D

16.10.2025

R**L

23.04.2025

D**.

12.08.2025

Z**A

1.08.2025

A**R

6.10.2025

D**E

21.04.2022

R**D

15.10.2024

P**D

30.07.2025

T**B

30.09.2024

J**C

6.12.2024

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₨72207

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

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iPower 16-Inch Square Aluminum Automatic Gravity Shutter Louver Vent, Silver

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