4" Round No screen vent - tab style, brown - bag of 4 Plugs CPR-100 4"

CPR-100 4"

These round aluminum vents are easy to install in wood

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

RBLS-104 4"4PK

4" Round No screen vent - tab style, brown - bag of 4 Plugs CPR-100 4"4" 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