... , Quick assemble, Anti-corrision - Motor of 380/220V, 50HZ,3 Phase, IP 55, E Class - Each motor is individually tested for ... and exhaust inside will be taken away because of negative pressure, and fresh and filtered air will be pumped into ... on2.Commerce: hall, supermarket, hotel, net bar, recreational place, guesthouse.3.Public: hospital, station, gym, school4.Animal husbandry: poultry house, ...