The device is in closed circuit and in pressure state to give no chance for epidemic spread and terrorist empoison.
本设备处在闭路有压状态使疫病传播、恐怖投毒无 可乘之机；
2
Environment protecting, safety and no empoison . applying advanced biologic technology and advanced physical design, with mosquito killing and purging air in one unit.
It will empoison environment and foods to harm human health like as acute toxicosis, chronic toxicosis, and so on. it also can depravation environment and affect environment balance.