4" Round Copper Vent Open Screen vents These round aluminum vents have

These round aluminum vents have a screen reinforced by strong 1/4" mesh to keep insects out

RWS-104 3"4PK

4" Round Black Screened Vent - bag of 4

RBS-108 3" 4PK

RBLS-108 1

4" Round Copper Vent Open Screen vents These round aluminum vents haveCPR 100 4" Round Copper Vent CPR 100 4" These high quality round copper vents have a screen to keep insects out. They are easy to install in wood. Not made for glass, 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. Fits into a 4 inch round hole. 3. 875 si nfa (square inches of net free ventilation area). Orders placed by 3 pm MT will ship by