The Fein FBK Filter Bag Kit is a complete kit for converting the Turbo II vacuum to a two-stage filtration system. Remove the cloth dust bag and mount the 1 Micron filter and the dust bag to clean up smaller particulate material with the Turbo II vacuum. This kit includes everything necessary in one package. Great for work with drywall and sheet rock dust as well as other smaller particulate materials. Includes one 1 Micron Cartridge Filter, cartridge mounting hardware & one paper dust bag. Fits the Fein Turbo II vacuum.