Through the use of non-woven filter cloth bag dust collector ProFilters easily deployed in the tank cleaner, more fully using a useful volume.
When you turn off the vacuum cleaner non-woven bag, dust collector because of its flexibility settles - a thin dust shaken and suction power at the next turn is always high.
Useful volume of non-woven bag ProFilters used entirely, unlike conventional paper dust collectors losing suction power even when partially filled.