Patent ID: 8999029
Filing Date: 2015-04-07
Classification: B01D

Abstract:
1. A furnace filter box adapted for mounting next to an intake air opening in a furnace, the filter box disposed under an air intake opening in a lower portion of a furnace, the filter box adapted for receiving at least one furnace filter therein for filtering intake air received from an air intake duct, the filter box comprising: a vertical front panel with a furnace filter door, the front panel attached to vertical sides of a first side panel and a second side panel, the first and second panels attached to a vertical back panel, a horizontal bottom panel is attached to a bottom portion of the front, the back and first and second side panels; a pair of horizontal furnace filter rails mounted to an inside of an upper portion of the first and second side panels, the filter rails adapted for holding the furnace filter next to an enlarged open top in the filter box and covering the open top; and a vertical air intake opening in the first side panel, the air intake opening adapted for receiving an end of the air intake duct.