4" Round No screen vent - tab style, mill - bag of 4 Open screen w 1/8 mesh 02 si nfa (square inches

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

These round aluminum vents have a strong 1/8" screen to keep insects out

5" Black Open Screen Vent

Orders received by 3 pm MT will ship the next business day

RBS-100 4" 4PK

4" Round No screen vent - tab style, mill - bag of 4 Open screen w 1/8 mesh 02 si nfa (square inches4" Round Mill No Screen Vent, tab style bag of 4 RLT 200 4"4PK These round aluminum vents have closely spaced louvers to keep insects out. They do not have a screen. They are easy to install into a 4" hole made by a drill type hole saw. They 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 wood. The tabs need to be bent