New development duct fan with low noise, high quality performance, compact structure, easy installation, service and maintenance. Good air, good life. Model VoltageVFrequencyHzPowerWCurrentAAir volumem3/hTurningrpmNoise[dBA]Grade of motor insultionDJT-100A22050600.18190260050FDJT-125A620.17210275048FDJT-150A640.26410255050FDJT-160A720.29460250046FDJT-200A1010.45780255052FDJT-250A1560.66980256550FDJT-315A2250.691350252550F