Cyclonic action filter system means more power longer because dirt won't stick to the filter 15.6 volt motor provides power for all cleaning jobs HEPA filtration removes 99.97% of particles such as dust mites and ragweed pollen from the air flow Quick slide charging system provides ultimate convenience of use Power lasts longer with 50% more filter surface 3 stage filtration provides clean air exhaust Wheel Clean System instantly improves performance Full 2 Year Warranty Voltage: 15.6 V Air Watts: 30 watts Capacity: 23 oz. Replacement Filters: VF100H