This vacuum offers the ultimate in bagless filtration with its clean-air system and extra large dirt cup. CRI Seal of Approval certified and clog resistant tools on board for convenience. CRI seal of approval - LEED compliant. Filtration: washable sealed HEPA. Container: dirt cup. Dust Capacity: 3.5 dry qts. Tools: wand, crevice tool, dusting brush. 3:1 Stretch hose, Motor 135 CFM, 69 dB per ASTM.