A disposable non-woolen filter, and a panel type washable coarse aluminum filter are installed in the front panel of returnairduct of each room, to trap powder generated, if any.
Returnairduct section. Single - or double-line ducts can be specified.
回风管道部分。可以指定单线管道或双线管道。
3
An intense field dielectric air filtration system includes a perimeter frame for wall or ceiling mounting at the inlet of a returnairduct for an air conditioning apparatus.