A:Answer The UH30300 and UH30600 use the Type Y Carbon Hepa Bag (902481001) or the Type Y Hepa Bag (902419001), the Flat Belt (562289001) for models with brush roll ON/OFF (Suction Only Mode) and Stretch Belt (38528058) for models without brush roll ON/OFF (Suction Only Mode), and the Secondary Filter (902417001) and the Final Filter (902418001).