1" Round No screen vent - tab style, brown

1" Brown No Screen Vent, tab style

RBT-200 1"

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.

0.195 si nfa (square inches of net free ventilation area).

Made in the USA.