High quality farm draught fan 1.Energy saving 2.large air output 3.long lifetime 4.Low failure rate GRP material Draught Fan Description:1) Energy saving Take 54’’ type of fan for example, the power of general type of fan is 1100w or 1500w,but our fan is 750w.so,if you take use of it,you just need pay half of the cost.2)large air output Take 54’’ type of fan for example,the measured air volume of ...