30 X 26 X 1 Square No Flange Garret Exhaust Vent

https://onyxxteriors.com/info/explore/30-X-26-X-1-Square-No-Flange-Garret-Exhaust-Vent.php

Alside G8 Black.

Not the easiest to photograph.

But here it is.

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Square garret exhaust vents

This is a 30 x 26 rectangular vent.

Slats spaced an inch apart.

And as black as night.