Convert Open Bag System

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What's the Difference?
The genius behind MD's open style HyperFlow® filtration bag is multiple intakes can converge into one filter without any air restrictions. Converting to a Closed Microfilter Bag eliminates all but one of the three intake points (including the utility valve) but allows simpler, fuller containment of the debris when emptying the unit. The closed bag system has slightly less capacity, a bit more air restriction, but finer filtration.

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