Patent attributes
A return air grille air purifier including an air filtration system including a media filter and a filter enhancement module. The filter enhancement module includes an ionization array configured to charge particles in an airstream passing through the filter enhancement module and towards the media filter. The return air grille air purifier also includes a first housing and a second housing configured to contain the air filtration system. The second housing contained within the first housing in a closed position and the second housing configured to move outward with the air filtration system at least partially out of the first housing in an open position. The media filter being removably accessible from the second housing in the open position.