Occupant air filter for vehicles

An air filtering device for inserting into a fresh air intake conduit for providing fresh air to occupants of a vehicle, where the conduit includes a generally circular rim extending around the perimeter of the conduit from an inside face of said conduit, said air filter device comprising:

• a generally circular bottom base unit, said bottom base unit including a perimeter mounting portion to allow said bottom base unit to be retained in said air conduit, said perimeter mounting portion comprised of opposed outwardly extending mounting lips separated by an outwardly opening mounting groove, said mounting lips being resiliently flexible to mount over said rim and sufficiently stiff to retain said air filter device in position on said rim,
• said bottom base unit including air filter mounting means
• an air filter retained in said air filter mounting means of said bottom base unit, said air filter being sized and shaped to be inserted into a cavity located within a turbine fan of a blower motor assembly;
• and
• a central air intake inlet in said bottom base unit, said central air intake inlet including a screen mounted thereacross for preventing large debris from entering the air filter;
• wherein said device is mountable in standard air circulation ducting of a vehicle by retaining said generally circular rim in said mounting groove without the need to modify said air circulation ducting.