Air cleaning method and device

Publication Date

June 20, 2006

Patent Number

JP3543593B2

Abstract

The invention refers to a filtering system composed by a face mask and a filter against biological agents, joined together by a new connector. The connector joins the filter to the mask in an easy, fast and affective way. The filtering system provides a very high barrier against biological agents, a high seal and is very easy to use.

Air cleaning method and device