ducting
atco 13102510 insulated flexible duct10 in . dia .
insulated flexible duct insulation value r 8.0 upc number 31 inside dia . 10 in . wall thickness 2 1 2 in . vapor transmission 0.05 material polyester length 25 ft. max . air flow 5000 fpm max . pressure 6 in.wc max . temp . 140f compressed size 38 in . low temp . deg . 20f fire rating flame spread smoke developed less than 25 less than 50 for use with low pressure air moving systems features double ply vapor barrier with tri directional reinforcements br b features b ul li features double ply vapor barrier with tri directional reinforcements li li for use with low pressure air moving systems li li inside dia . 10 li li inside dia . in . 10 li li item insulated flexible duct li li length 25 ft. li li length ft. 25 li li low temp . deg . f 20 li li material polyester li li max . air flow fpm 5000 li li max . pressure in wc 6 li li max . temp . 140f li li max . temp . f 140 li li type polyester li li upc number 31 li li wall thickness in . 2 1 2 li li compressed size in . 38 li li special information rated for indoor use recommended operating pressure is 3 4 w.c. neg . all dia . 6 w.c. pos . for all dia . except 14 18 dia . insulated are 4 w.c. pos . li li vapor transmission 0.05 li li agency compliance ul181 nfpa 90a & 90b imc irc umc 10 1 icc es report no . esr 1268 hud cities of chicago new york san francisco county of dade florida california state fire marshall . li li standards ul181 nfpa 90a and 90b imc irc umc 10 1 icc es report no . esr 1268 hud cities of chicago new york san francisco county of dade florida california state fire marshall li li fire rating flame spread smoke developed less than 25 less than 50 li li insulation value r 8.0 li li wall thickness 2 1 2 li li max . pressure 6wc li li max . air flow 5000 fpm li li compressed size 38 li li low temp . deg . 20f li ul