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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
5" Stainless steel butterfly vent
2-3/8" x 6-3/4" Stainless locker vent
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
The louvers are closely spaced to prevent wasps and other insects from entering
77 si nfa (square inches of net free ventilation area)
4" Stainless steel butterfly vent No Screen vents 5" Stainless steel butterfly vent4" Stainless steel butterfly vent 331440 These flush mount stainless steel butterfly vents open and close with a knob in the center. They are held in place by #6 screws. 2. 77 si nfa (square inches of net free ventilation area). Made in China. Orders placed by 3 pm MT will ship the next business day.