4" Round No screen vent - tab style, brown - bag of 4 Plugs 380 si nfa (square inches

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

6" Round Brown No Screen Vent - bag of 2

Unit features a two piece twist locking interchangeable screen vent cap

4" Round Brown Plug - bag of 4

4" Round No screen vent - tab style, brown - bag of 4 Plugs 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