Abstract: Filter apparatus comprises a wall defining a chamber and a filter device mounted between an air inlet of the chamber and an air outlet thereof for filtering air passing therethrough. The filter device comprises a stiff frame defining an opening, and tubular pockets made of open weave mesh material. The pockets extend across the opening in spaced parallel relationship and contain vapor filter material.

Abstract: A fluid propelling and filtering apparatus with removable filter cartridge comprising a bottom wall, an annular top wall, and filter media disposed between and secured to the walls for securing the bottom wall to the top wall in parallel, spaced relation and for communicating fluid in through the annular top wall and out through the outer surface of the filter material. The filter cartridge is removably attached to an electric motor for imparting rotational movement to the filter cartridge. The filter cartridge and the motor are enclosed within a housing.