Filtered cold air baseboard return

Claim 1

A filtered cold air baseboard return for use with forced air heating systems which systems includes ductwork for forced and return air transmittal, such return including: a) a duct end covering arranged and constructed for placement on and attachment to the end of a cold air return duct; b) said duct end covering having an air flow passage therethrough for receiving air from an area and returning it to the forced air system; c) the front surface of said duct end covering providing a substantially flat surface; d) means for positioning a filter medium in filtering relation to said air flow passage and against said frontal surface of said duct end; e) said filter positioning means including a housing of a size to cover said air flow passage of said duct end; f) said housing including means for removeably positioning a filtering medium therein; g) said housing including means for positioning an air seal in position surrounding said filtering medium and in position to seal against said frontal surface of said duct end; and h) means for removably attaching said filter positioning housing to said duct end.