MD's Tru-Seal Microfiltration System is the new standard in all top-emptying central vacuum power units. The Tru-Seal Microfiltration System features three connection points which allows debris intake from the front utility valve and both side intakes. The new bag is easy to install and change, while its encapsulating design and locking caps make disposal very sanitary. Includes three (3) bags per package.

The highly durable, Tru-Seal disposable filtration bag is a 5-ply microfilter that captures debris down to .3 microns. At 8 gallons, Tru-Seal has the largest trash capacity of any disposable residential central vacuum bag on the market.

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All MD, Modern Day, SilentMaster and Flo-Master model central vacuum power units can be upgraded to Tru-Seal Filtration using the .