An apparatus is disclosed, for filtering, containing and removing mold spores and other undesirable particulates in conjunction with a conventional vacuum cleaner. The apparatus includes a cylindrical housing that contains a HEPA filter. The cylindrical housing is connected to an exhaust tubular connection which connects to a conventional vacuum or other vacuum source. The cylindrical housing is also connected to an intake tubular connection for drawing in a stream of air from which particles will be filtered. The cylindrical housing also includes a valve for selectively sealing the interior of the cylindrical housing from the atmosphere. According to one embodiment, the apparatus also includes a pressure relief valve for controlling the vacuum pressure. According to another embodiment, the apparatus includes a clamp for securing the apparatus to hoses of various sizes.