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These small round vents are made of Aluminum.
They have a screen to keep insects out.
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.
- Item #: RBLT-200 4"
- Manufacturer: Maurice Franklin
