4" Stainless steel round vent
4" stainless round vent
These flush mount stainless steel round vents are held in place by #6 screws.
They do not have insect screens. The louvers are spaced closely enough to keep out most insects. Insect screen could be easily added.
.88 si nfa (square inches of net free ventilation area).
Orders placed by 3 pm MDT will ship the next business day.