4" Round No screen vent - tab style, brown - bag of 4 Open screen w 1/8 mesh 380 si nfa (square inches

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

These round aluminum plugs are easy to install in wood

2" Round White No Screen Vent

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

4" Round No screen vent - tab style, brown - bag of 4 Open screen w 1/8 mesh 380 si nfa (square inches4" Round Brown No Screen Vent, tab style bag of 4 RBT 200 4" 4PK These small round vents are made of aluminum and have closely spaced louvers 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 6 tabs on the side of the vent. No nails or screws are needed. Note: These are made for thin materials like metal, glass or plastic. They do not work well in