4" Round Screened Vent - tab style, brown - bag of 4 Screened vents - tab style 030 si nfa (square inches

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

RWS-108 4"4PK

RBLS-104 6"2PK

or PVC pipe

4" Round Screened Vent - tab style, brown - bag of 4 Screened vents - tab style 030 si nfa (square inches4" Round Brown Screened Vent, tab style bag of 4 RBT 100 4" 4PK These small round vents are made of Aluminum. They have a screen to keep insects out. 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 or glass or plastic. They do not work well in wood. The tabs need to be bent over from