2.5" Round Open Screen Vent w 1/8" mesh, black - bag of 4 Screened vents They do not have insect

They do not have insect screens but screen could easily be added

They do not work well in wood

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

These small round vents are made of Aluminum

4" Round Black Plug - bag of 4

2.5" Round Open Screen Vent w 1/8" mesh, black - bag of 4 Screened vents They do not have insect2. 5" Round Open Screen Vent w 1 8" mesh, black bag of 4 RBLS 108 2. 5" 4PK Bag of 4 vents. These small round aluminum vents have a strong 1 8" screen to keep insects out. They are easy to install in wood. Not made for metal, glass 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. Made in the USA. Orders placed by 3