4" Round No screen vent, brown - bag of 4 No Screen vents - tab style RBLS-108 2" 6PK

RBLS-108 2" 6PK

brown - bag of 4

RBS-104 2"6PK

RBLS-108 6" 2PK

These round aluminum have louvers and a screen to keep insects out

4" Round No screen vent, brown - bag of 4 No Screen vents - tab style RBLS-108 2" 6PK4" Round Brown No Screen Vent bag of 4 BNS 100 4"4PK These round vents are made of Aluminum. They are easy to install in wood. Not made for glass or metal 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. The louvers are closely spaced to prevent wasps or other insects from entering. They do not have screens. Fits into a 4 inch round hole. 3. 682 si