Milwaukee® HAMMERVAC dedicated dust extractor (2712-DE) features an in-line dedicated design engineered to connect directly to and be power by the M18 FUEL™ 1 in. SDS plus rotary hammer (2712-22). This design allows for a very compact HAMMERVAC and rotary hammer combination to fit in the most confined work spaces. Utilizing the same replaceable certified HEPA filter as other HAMMERVACS™, which filter 99.97% of all particles greater than 0.3�m, means more compatibility on the jobsite. For accurate hole depths, this product is built with an adjustable depth stop and ruler for easy and precise adjustments. Featuring a high capacity dust box, users can now work longer without emptying dust box as often.