Our company supply industrial exhaust fans in different specifications. Our exhaust fans can be used in many different places such as factory, farms, offices, living houses and so on. Our products are well-known as high quality, low price and great service. For further information, you are very welcome to directly contact me with email or telephone or visit our English website . I will provide any information and service as you required. I am looking forward to hearing from you. specification: blade:1250mm size:1380*1380*400mm power: 1.1kw voltage:380V capacity:44000 material: galvanized steel box, stainless steel blade