Makita DX15 Dust Extractor Attachment with HEPA Filter Cleaning MechanismMakita DX15 The Dust Extractor Attachment with HEPA Filter Cleaning Mechanism (DX15) is for use with the 40V max XGT 1 1 8" AVT Rotary Hammer (GRH07Z, sold separately). The attachment features a HEPA filter engineered to capture 99. 97% of dust particles (size . 3 microns and larger), with a filter cleaning mechanism for improved dust collection and OSHA Table 1 compliance. The transparent dust container holds up to 13. 5 ounces of debris, the largest