BREATHABLE RESPIRATOR MASK WITH MULTIPLE LAYERED FILTERS

    公开(公告)号:US20210379411A1

    公开(公告)日:2021-12-09

    申请号:US17096561

    申请日:2020-11-12

    IPC分类号: A62B7/10 A62B18/02 A62B23/02

    摘要: In an example, a respirator includes a respirator body having a distal portion and a proximal portion, the distal portion including a filter housing wall and an open distal end. The proximal portion includes a facial interface which is compliant and deformable from an undeformed state to a deformed state to conform to a facial contour of an individual. One or more filter frames are inserted into the distal portion and supported by the filter housing wall to separate filter media on opposite sides of at least one of the one or more filter frames. A filter cover is releasably attached to the open distal end to enclose the one or more filter frames and filter media, forming a filter housing. The one or more filter frames are removable from the distal portion and replaced into the distal portion to allow replacement of the filter media.