... , Quick assemble, Anti-corrision - Motor of 380/220V, 50HZ,3 Phase, IP 55, E Class - Each motor is individually tested ... meter of evaporative cooling pad can meet 450--500m³.3)WUSUN1060 exhaust fan with 4 square meter of evaporative ... Commerce: hall, supermarket, hotel, net bar, recreational place, guesthouse.3.Public: hospital, station, gym, school4.Animal husbandry: poultry house, pig, chicken, ...