These Fleece Filter Bags are for use with the No. 9-20-28 Turbo I Vacuum only. All fleece filters (bag or permanent) have a 5 micron rating.

These Fleece Filter Bags are for use with the No. 9-20-28 Turbo II Vacuum only. Fleece Filter Bags hold two to three times more dust than the paper bags of prior Fein models and have a high tear resistance. All fleece filters (bag or permanent) have a 5 micron rating. A fleece filter should always be used when dry vacuuming. A fleece filter should never be used when wet vacuuming. One fleece filter bag is included with each new vacuum. Sold 5 per pack.

This item will not work with prior versions of the Fein Vacuums.