Bos Clean M is suitable for creating negative pressure in small to medium areas and surfaces.
It is a very lightweight and easily portable device.

Bos Clean M power is adjustable
Thanks to quick-connect mechanisms, replacing filters is very simple and fast.
Additionally, various filters can be combined, such as HEPA filters. To extend the life of the HEPA filter, a pre-filter chamber can be installed to prevent larger particles from reaching the HEPA filter.

You can find technical specifications here