ducting
broan 643 wall capaluminum
wall cap fits duct size 8 in construction material aluminum for use with vent terminations includes built in damper br b features b ul li for use with vent terminations li li includes built in damper li li item wall cap li li material aluminum li li construction material aluminum li li flange size in . 12 1 2 x 13 li li fits duct size in . 8 li ul
broan