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Item P25-0221

Dustless WunderBag™ Micro Pre-Filter

One of the big advantages of the Dustless HEPA Wet/Dry Vacuum is the optional Wunderbag™ Micro Pre-filter that greatly extends the life of the HEPA filter. The Wunderbag™ is an inexpensive disposable filter that captures the vast majority of the dirt and dust before it reaches the more expensive HEPA filter. In fact, the Wunderbag™ captures particles down to .5 micron; remarkably close to the HEPA filter that captures particles down to .3 micron.

The Wunderbag™ is capable of holding MORE than 40 LB of fine dust, but the vacuum is designed to be emptied at 40 lbs. so that at least half of the filter bag's surface area is always free to support the high airflow rates required for effective dust control. The Wunderbag™ should be replaced whenever the vacuum collects 40 lbs. of dust, or when it appears to be half full. It should be replaced after being used for Wet vacuuming so the interior of the vacuum does not become moldy. Wunderbag™ retains its strength when wet.

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