Features and Benefits:OSHA Table 1 compliant on-board dust extractor includes a filter cleaning mechanism designed to help maintain optimum suction efficiency;Extractor is powered by separate motor allowing the rotary hammer to consistently maintain peak drilling performance;Extractor is automatically activated by the tool's power trigger and provides a delayed stop to capture any remaining dust;Efficient HEPA filtration system captures 99.97% of particulates .3 microns and larger;Two stage extractor extension allows drilling up to 3-1/2" and maximum 7-1/2" deep;up to 1-1/8" diameter holes;Depth stop adjustment allows for setting the accurate drilling depth;Transparent dust container provides needed visibility in determining container fullness;Built-in dual L.E.D. light with an independent on/off illuminates the work area;Compatible with Makita 40V max XGT® Rotary Hammer model GRH01;The Dust Extractor Attachment with HEPA Filter Cleaning Mechanism (DX12) is for use with the 40V max XGT® Brushless 1-1/8" AVT® Rotary Hammer (GRH01Z, sold separately). The 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. It 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.