2" Round No Screen vent - tab style, mill - bag of 6

2" Round Mill No Screen Vent, tab style - bag of 6 RLT-200 2"6PK These round aluminum vents have closely spaced louvers. 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 4 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 have to be bent over from the rear. Fits into a 2 inch round hole.0.842 si nfa (square inches of net free ventilation area). Bag of 6 vents. Made in the USA. Orders received by 3 pm MT will ship the next business day.