【Increase Air Cross Flow】Increase shipping container air flow, reduce heat and humidity for cargo shipping containers. With this air vent kit, you don't worry about the goods. There are six installation suggestions for containers of different sizes. 【Durable and High Quality】Made of heavy duty durable galvanized sheet, will not rust and corrode. A good investment which will pay back soon with time. 【Special Design】New design shipping container accessories. Downward ventilation holes prevent rainwater from entering, increased ventilation holes enhance permeability. The inner screen mesh can effectively prevent foreign objects from entering. No Power Needed. 【Size Information】More bigger than others, Better ventilation effect. Size length is 13.5" width is 11.2". 2 set in the package. Sealant can effectively seal the vent. Easy install according the installation manual, just use packaged bolts to fix onto the container. 【Best Choice Guaranteed】We provide refund is guaranteed in 30 days if you are not happy with this dryer vent closure. 100% dedication to your satisfaction. Your precious advice is appreciated too. Description for Shipping Container Big Air Vent Kit
Have you ever been concerned about poor air circulation, high temperature, and abnormal air pressure inside the container?
Then you need to buy a newly designed big air louvered gable vent kit that can effective ventilation.
Increase shipping container air flow, reduce heat and humidity for cargo shipping containers.

1.Package Contains:
1 X User Guide
2 X Sealants
2 X External air ventilation panel
2 X Internal screen mesh panel
24 X Screw and washer

2.Installation Instructions:
Step 1. Choosing a location for the vent.
Step 2. Cutting the hole.
Step 3. Cleaning up the cut.
Step 4. Protecting the bare metal.
Step 5. Sealing the vent to the container.
Step 6. Installing the vent and screen.

To make sure the fit tight enough, caulk with a bead of silicone around the square flanges.
You can paint on the ventilation panel according to any color you want.