Bosch power tool attachments help you create complete tool systems.
Includes: 2 Filters
- HEPA filters capture 99.997% of particles 0.3 microns in diameter or larger
- Square filter geometry makes dust less likely to get trapped — high suction power is maintained
- Filters stay in the vacuum cleaner even when wet vacuuming
- Cartridge design makes filter installation extremely easy
- High-performance replacement filters for Bosch 3931 and 3931A vacuum cleaners
- Not for use when vacuuming wet materials
