ducting
fantech hs 4w louvered shutter4 in duct
louvered shutter fits duct size in . 4 flange size in . 1 cap height in . 1 1 4 cap width in . 6 construction material plastic for use with 4 in . duct rough in dimensions 4 in . includes tailpiece br b features b ul li cap height in . 1 1 4 li li cap width in . 6 li li for use with 4 duct li li includes tailpiece li li item louvered shutter li li rough in dimensions 4 li li construction material plastic li li flange size in . 1 li li fits duct size in . 4 li ul
fantech