The dust extractor attachment with HEPA filter (model DX09) is for use with the 18V LXT® Lithium-Ion cordless Brushless 1" Rotary hammer (xrh011, sold separately). the DX09 dust Collection vacuum attachment features a HEPA filter engineered to capture 99.97% of dust particles (size .3 microns and larger) for improved dust Collection and OSHA Table 1 compliance. The dust extractor attachment is powered by a separate motor allowing the rotary hammer to consistently maintain peak drilling performance. The high-capacity dust container is transparent and provides an accurate level indicator of collected material. The container captures concrete Dust during drilling; activated by the tool and provides a 3-second delay to help capture remaining dust. With a quick release, The dust container can be easily detached from the dust Collection attachment when needed.