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PRODUCTS > Pro Series Power UnitsDirt Devil® Pro Series® power units feature Cyclonic Filtration Technology® (CFT™), a unique dual filtration process that utilizes cyclonic separation for primary filtration and a pleated filter for secondary filtration. Unlike central vacuum systems that rely on permanent cloth filters, the powerful performance of Dirt Devil® will not decrease as dirt accumulates.
click here to view Dirt Devil® Central Vacuum System performance specifications
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