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Conventional vacuums require frequent replacement of filtersin order to maintain suction levels and avoid motor burnout. With the use of filters, a vacuum will lose about 25% of its suction when only about 4 to 5 ounces of dirt and dust accumulate on the filter - with resulting loss of cleaning power and life-shortening drag on the motor. Cyclonic filtration eliminates the expense, inconvenience, and danger of motor burnout inherent in conventional filters. The dirt and dust are seperated from the air flow by centifugal action, and deposited in the easy to remove dirt canister. Cyclonic filtration results in lower operating costs.
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