A regenerable gas filter cartridge (20, 120) for filtering particles from an exhaust gas includes a hollow tube (130) having a perforated portion and an open end portion (154). The perforated portion (130) has a diameter larger than the diameter of the open end portion (154). A filtering element (132) is disposed on the hollow tube (130) and the filtering element (132) extends over the larger diameter of the perforated portion (130) and the smaller diameter of the open end portion (154).
