BIG AIR® 30
A two-pack of compact, unscreened louvered wall vents for passive container airflow.

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Passive wall vent · 2 pack
Get the larger BigAir 60 opening with a screened configuration for the container wall.
Current price, availability and regional delivery are shown by Amazon.
Choose the screened BIG AIR 60 pair for the widest passive opening with mesh attachments. Each vent offers 60 sq in of net free area and can be positioned on a container wall or door to help release heat and moisture.
Details adapted from Container Modification World's matching product listing. Confirm specifications and included parts before ordering.