15 X 5 X 2 Square Gable Exhaust Vent

https://onyxxteriors.com/info/explore/15-X-5-X-2-Square-Front-Flange-Louvered-Gable-Exhaust-Vent.php

This shiny raw mill aluminum came from Holme's Manufacturing Trim Coil.

And although the vent is so small, it does have one louver spacing for ventilation.

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Square louvered gable exhaust vents

Ordered as a 15 x 5 x 2 for "opening size" is a vent to fit that opening size of 15 x 5.

So, the vent is actually 14.5 x 4.5 inches.

These were to vent the rafters on a Jim Walter Home.