FFU层流送风单元模块可连接使用，使得FFU广泛应用洁净室、洁净工作台、洁净生产线、组装式洁净室和层流罩等应用场合。
FFU设有初、高效两极过滤网。风机从FFU顶部将空气吸入并经初、高效过滤器，
过滤后的洁净空气在整个出风面以0.4M/S+-20%的风速均速送出。

FFU stage flow wind unit can be used as connectde module,So it is widely used in cleanroom,cleantable,clean product line,nixed cleanroom and stage shed.
FFU have primary and hepa two pole filter net.Wind motor pump the air from top.The ail becone cleanair through primary and hepa filter,The cleanair would be blowed out at 0.45m/s+-20%equality speed on out door.