* model dke double-inlet air-conditioner fan is a mulfi-vanecentrifugal fan. it has features such as large air volume. low noise, compact structure, fine firmness and durabil以pleasing appearance, easy installation and use and so on. it is wide扮applicable for various air-condition units, aircurtain, coovwarm fans etc. it can also be used as indoor ventilation and air-exchange in the mining and industrial enterprises, public places etc. its conveying media are air and other non-hypergolic gas which are not harmful to the human body. the particle substances not allowed in gas. the dust contents not exceed 150mg/m³.