Designed to fit Sentria (Models Pre Jan 2009), SE, G9 G9D (Not models that use the F-style bags) Diamond Edition, DE, G8, G8D Ulitmate G, ULTG, G7, G7D Gsix, G6, G6D, G2000 G5, G5D G4, G4D G3, G3D Legend II - Disposable Bag models Legend I - Disposable Bag models Heritage II -Disposable Bag models (not Pocket Bag models). Compare to manufacturer numbers Allergen HEPA MM 6 pk, 204803, #205803 (2 pk) HEPA MM, #197301 (9 pk), #197201 (3 pk) Micron Magic, #197394 (9 pk), #197294 (3 pk) Generation 3, #197389 (9 pk), 197289 (3 pk) Style 3, #190684 (replaced by Generation 3).