ducting
broan 613 wall cap
wall cap fits duct size 12 in construction material aluminum for use with vent terminations includes built in back draft damper and bird screen br b features b ul li for use with vent terminations li li includes built in backdraft damper and bird screen li li item wall cap li li material aluminum li li construction material aluminum li li flange size in . 15 x 14 1 2 li li fits duct size in . 12 li ul
broan