Bosch GDE 18V-16 Professional Dust Extractor with a HEPA filter for optimised dust collection, removes 99.97% of dust particles larger than 0.3 micrometres. Its Auto Power function turns on when drilling and shuts off two seconds after releasing the drill trigger. Bit Target simplifies alignment of the drill bit and a transparent dust box shows when you need to empty it. Compatible with: GBH 18V-24 C, GBH 18V-26, GBH 18V-26 F, GBH 18V-28 C, GBH 18V-28 CF. Specifications: Max. Drilling Diameter: 16mm. Max. Drilling Depth: 100mm. Weight: 1.2kg.