Patent attributes
A portable air purifier and method includes a collapsible first tube; a perforated firm second tube that houses the first tube; a fan that brings air into a first end of the first tube and pushes the air through the first tube; a multi-part filter arranged in a concentric configuration inside the first tube; an outlet at a second end of the first tube; and a breathing mask coupled to the outlet. The filter filters the air as the air proceeds through the first tube and the outlet discharges filtered air from the first tube to the breathing mask. The first tube and the second tube may be semi-circular to fit around the neck of a user. The filter may be a corrugated filter. The portable air purifier may include a power source electrically connected to the fan.