Use with the turn screw TII3001 and flange TII3002.
The TII1MCRN is a 1 micron filter for all FEIN vacuums, which allows for clean-up of smaller particulate dust such as drywall and sheet rock. Fein 1 Micron Pleated Filter for Use with Turbo I, Turbo II, and Turbo III - By International Tool. This filter, when used with the recommended bags for your FEIN vacuum, provide outstanding dirt, dust filtration, and extend vacuum motor life.