greenhouse fan

Wall mountedfan: 1.Wall mounted fan:extracting -impelling largae volumes of air at a low speed, with low sound level and minimum electricity consumption (3 times less than any conventional ventilators with the same volume rate 2.Ventilation-Extraction for any type of industries in general,poultry and cattle farms, green houses,warehouses, etc. 3.Suction-implusion monobloc group, made in galvanized steel,with transmission by aluinium casting pulleys (1)equipped with front protection, galvanized rire on the suction side (2)Automatic shutter with trust centrifugal opening and closing system