ducting
broan wvk2a wall vent kit flexible duct 5 ft. l
wall vent kit insulation value r 4.2 inside dia . 4 in . wall thickness 1 8 in . vapor transmission 0.05 material flexible duct length 5 ft. max . air flow 5000 fpm max . pressure 6 in.wc max . temp . 180f low temp . deg . 20f for use with heating and cooling systems standards ul 181 includes 4 in . clamps 4 to 3 in . foam reducer 5 ft. long x 4 in . diameter flexible metal ducting square louvered wall vent with rigid ducting on back 2 nylon zip ties br b features b ul li for use with heating and cooling systems li li includes 4 clamps 4 to 3 foam reducer 5 ft. long x 4 diameter flexible metal ducting square louvered wall vent with rigid ducting on back 2 nylon zip ties li li inside dia . 4 li li item wall vent kit li li length 5 ft. li li length ft. 5 li li material flexible duct li li max . temp . 180f li li type uninsulated flexible duct li li vapor transmission 0.05 li li agency compliance wall venting li li standards ul 181 li li insulation value r 4.2 li li wall thickness 1 8 li li max . pressure 6wc li li max . air flow 5000 fpm li li low temp . deg . 20f li ul
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