... Phase, IP 55, E Class - Each motor is individually tested for 100% quality control. Our shutter can open ,close automatically and ... place, guesthouse.3.Public: hospital, station, gym, school4.Animal husbandry: poultry house, pig, chicken, rabbit, cow barn5.Agriculture: horticulture, greenhouse. Itempoultry ventilator138012201060900Sizemm1380 ...