4" Round No screen vent - tab style, mill
4" Mill No Screen Vent, tab style
These small round vents are made of Aluminum.
The louvers are closely spaced to keep insects out. They do Not have a screen.
They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by 4 tabs on the side of the vent. No nails or screws are needed.
3.682 si nfa (square inches of net free ventilation area).
Made in the USA.
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