Insect-Proof Mini Louvers, White, 3-In., 4-Pk.
4 pack, 3" white aluminum round insect proof mini louver with screen, overall size 3.530", fits 3" hole diameter, 1.735 sqin free area.
4 pack, 3" white aluminum round insect proof mini louver with screen, overall size 3.530", fits 3" hole diameter, 1.735 sqin free area.