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
BigAir 60 is the wide-open choice in the passive family, designed to fit corrugated shipping container walls.
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BIG AIR 60 is the largest passive louver in this range. It provides 60 sq in of net free area per vent and can be installed on shipping container side walls, end walls or doors where a wider natural airflow opening is useful.
Details adapted from Container Modification World's matching product listing. Confirm specifications and included parts before ordering.