Patent ID: 7291207

Claim:
An air treatment apparatus comprising: a. a housing; b. at least one power source; c. at least one first electrode; d. at least one second electrode coupled to the power source and spaced apart from the first electrode, the first and second electrode being operable to produce a stream of ions moving from the first electrode toward the second electrode; e. at least one third electrode coupled to the power source, at least a portion of the third electrode being positioned downstream of the second electrode; and f. a grill configured to be attached to the housing, the grill defining a plurality of openings, the grill being movable between: (i) a first position in which the grill covers the portion of the third electrode; and (ii) a second position in which the portion of the third electrode is uncovered, the grill being attached to or detached from the housing when in the second position.