cross flow fan,in-line fan,inlet sirocco fan/blower,centrifugal fan, backward fan,duct fan,tangetial fan,moterized impeller 12" In-line Fan .Applications-.General Ventilation;House,Conference Room-.Kitchen exhaust:Range Hood-.Bathroom exhaust,Dryer booster,Duct booster-.Hydroponicso.Moror-.Extermal motor-.Voltage / Frequency:115v-120 60hz,220v 50hz,220v 60hz-.Protection class of enclosure:IP44 ...