The Dust Extractor Attachment with HEPA Filter (model DX01) is for use with the 18V LXT® Lithium-Ion Cordless Brushless 1" Rotary Hammer (XRH01Z). The DX01 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. The DX01 Dust Extractor Attachment is for use with the 18V LXT® Lithium-Ion Cordless Brushless 1" Rotary Hammer. When combined, the 18V LXT® Lithium-Ion Brushless 1” Rotary Hammer with HEPA Dust Extractor Attachment (model XRH01) delivers Makita BL™ Brushless Motor Technology and concrete dust extraction - without the cord. The XRH011 was the industry's first 1" capacity rotary hammer in the 18V category, and has set new standards in the cordless tool category. This is an OSHA Table 1 compliant on-board dust extractor when used in conjunction with 18V LXT® Lithium‑Ion Brushless Cordless 1" Rotary Hammer (model# XRH01) and Dust Case with Filter Cleaning Mechanism (part #199588-6)