Patent ID: 7658787

Claim:
A filter module mountable in an interstitial space of a structure, comprising: a filter housing having a mounting portion for coupling the housing to an aperture formed in the structure, the housing configured to reside in the interstitial space behind the structure; a filter receiving aperture defined in the housing and circumscribed by the mounting portion, the filter receiving aperture exposed to a room side of the structure, and defining an airflow inlet of the housing; a collar extending from the housing and disposed in the interstitial space of the structure, collar defining an airflow outlet of the housing; a sealing portion defined in the housing and configured to provide an air-tight interface with a filter element deposed in the filter receiving aperture, the sealing portion including a flange; a scan probe disposed in the housing; a motion mechanism disposed in the housing configured to displace the scan probe; and a penetration extending through the flange of the sealing portion, the penetration having a first end coupled to the motion mechanism and a second end accessible from the room side of the sealing portion.