These small round vents are made of Aluminum.
They have a screen to keep insects out but no louvers.
They are easy to install. 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.
16.970 si nfa (square inches of net free ventilation area)
Made in the USA.
- Item #: RBS-100 6"
- Manufacturer: Maurice Franklin