Bosch SDS-max® Core Bit Dust Collection Attachment - HDC250
- Dual air chamber provides for dust collection and suction to the wall
- Dust port accommodates 1-3/8 In. vacuum nozzles and can also fit other nozzle sizes with adapters
- Replaceable brush ring provides dust seal for a wide range of bit diameters
- Rubber seal maintains suction on the drilling surface