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Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
plastic or glass
They do not have insect screens
No nails or screws are needed
846si nfa (square inches of net free ventilation area)
They do not have a screen
4" Round Screened Vent, black - bag of 4 Copper vents plastic or glass4" Round Black Screened Vent bag of 4 RLBL 100 4" 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 4 inch round hole. 3. 980 si nfa (square inches of net free ventilation area). Bag of 4 vents. Made in the USA.
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