Patent attributes
A multi-purpose protection mask for protecting the human face and head against viruses, bacteria, dust or environmental harsh impacts is presented. It has four elements. A face shield transparent sheet covers comfortably the user's face providing adequate space for freely breathing and wearing glasses. A removable and replaceable filter mask element which is a multi-layer filter piece of a proper material affixed over an opening window in the face shield. A ventilator for draining and filtering the exhalation air and humidity before dumping into the atmosphere and it consists of exhaust fans, suction tubes, suction vents, and exit filters. The ventilator prevents condensation of fogging on the face shield and glasses. Another element is a head cover mask made of a fabric material affixed to the face shield element. Fastener strips means are provided for keeping the face shield comfortable and stable on the wearer's face.
