Replacement barrier sack filter, for the commercial vacuum cleaner.

These shouldn't be washed, just gently vacuumed should they get dusty.

As a rule of thumb, the dustbag filters out dust greater than 50 microns, about the diameter of a human hair. This filter probably filters down to about 8 microns, and protects the HEPA filter.

The HEPA filter will filter down to .03 of a micron, and should probably be replaced each couple of years.

At the moment, standard postage is capped at a maximum of $30 within Australia, so maximise the saving on postage and buy something in the related parts below!