2.5" Round Open Screen Vent, mill - bag of 4

2.5" Round Mill Open Screen Vent - bag of 4 RS-100 2.5" 4PK These round aluminum 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 2.5 inch round hole.2.610 si nfa (square inches of net free ventilation area). Bag of 4 vents. Made in the USA. Orders placed by 3 pm MT will ship by the next business day, inventory permitting.