雙向流新風(feng)(feng)(feng)(feng)機(ji)具(ju)有獨立(li)的(de)排風(feng)(feng)(feng)(feng)及送(song)風(feng)(feng)(feng)(feng)系統，受(shou)污染的(de)空(kong)氣經持(chi)風(feng)(feng)(feng)(feng)口、排風(feng)(feng)(feng)(feng)管道(dao)及排風(feng)(feng)(feng)(feng)機(ji)排至室(shi)(shi)外，室(shi)(shi)外的(de)新鮮空(kong)氣則通(tong)過送(song)風(feng)(feng)(feng)(feng)機(ji)、送(song)風(feng)(feng)(feng)(feng)管道(dao)和送(song)風(feng)(feng)(feng)(feng)口送(song)入(ru)室(shi)(shi)內(nei);

采用特殊(shu)吸(xi)音材(cai)料，無漩渦(wo)式(shi)葉片，大大降低(di)噪音。

加厚鍍鋅層(ceng)鋼(gang)板，模(mo)具(ju)一(yi)體化(hua)加工，保證耐腐蝕性能及結構穩定性。