3" Round Open Screen Vent w 1/8" mesh, black - bag of 4 Open Screen vents 842 si nfa (square inches

842 si nfa (square inches of net free ventilation area)

The louvers are closely spaced to prevent wasps or other insects from entering

Insect screen could be easily added

tab style - bag of 4

3" Round Open Screen Vent w 1/8" mesh, black - bag of 4 Open Screen vents 842 si nfa (square inches3" Round Open Screen Vent w 1 8" mesh, black bag of 4 RBLS 108 3" 4PK Bag of 4 vents. These small round vents are made of aluminum and have a strong 1 8" screen to keep insects out. They are easy to install in wood. Not made for metal, glass or PVC pipe. 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. Fits into a 3 inch round hole. Made in the USA. Orders