Personal air purification device and related methods

A personal air purification device comprising:

• a first conduit assembly including:
• a first conduit extending between an air inlet end and a single air outlet end;
• a first filter connected to the first conduit and configured to remove contaminants from air passing through the first conduit;
• and
• a first fan connected to the first conduit and configured to drive air flow through the first filter and the first conduit;
• a second conduit assembly;
• a mounting assembly configured to hold the first conduit about a head of a wearer with the single air outlet end positioned to generate a high pressure area proximate to a nose and mouth thereof;
• and
• a power supply arrangement configured to supply electrical power to the first fan;
• wherein a cross-sectional outside area of the first conduit at the air inlet end is larger than a cross-sectional outside area of the first conduit at the single air outlet end, and a cross-sectional inside area of the first conduit decreases from the air inlet end to the single air outlet end;
• wherein the mounting assembly includes a flexible band, the first conduit assembly and the second conduit assembly are mounted on opposite ends of the flexible band and the flexible band is configured to allow the opposite ends to be flex apart when donning the personal air purification device onto the wearer, wherein the flexible band comprises a thickness that is less than a thickness of each of the first conduit assembly and second conduit assembly, the flexible band is configured to be worn on a back of a neck of the wearer and configured to place the first conduit assembly and second conduit assembly on a left and a right shoulders of the wearer.