4" Round Black No Screen Vent - bag of 4
BLNS-100 4"4PK
These round vents are made of Aluminum.
They are easy to install in wood. Not made for glass or metal or PVC pipe. They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.
The louvers are closely spaced to prevent wasps or other insects from entering. They do not have screens.
Fits into a 4 inch round hole.
3.682 si nfa (square inches of net free ventilation area).
Bag of 4 vents.
Made in the USA.
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