General exhaust fan (commonly known as Yanggu fan) performance is relatively poor, an exhaust fan blowing less than a few people, negative pressure fan is not, whether it is used on the ground or hanging in the air. Generally, 4 sets are used in the 1000 square meter workshop, that is, the whole house is the effect of wind blowing.
Exhaust function of negative pressure Fan
Source： Time：2015-03-21 09:33:58 views：
