Makita DX01 Dust Extractor Attachment with HEPA FilterMakita DX01 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. This is an OSHA Table 1 compliant on board dust extractor when used in conjunction with 18V LXT LithiumIon Brushless