The DeWalt DWH079D-XJ Dust Box Evacuator features airlock connection dust management and safety and is compatible with SDS dust boxes in the D25303DH and D25304DH integrated extractors. This dust extractor can empty a dust box in less than 30 seconds and sits flatly on DeWalt extractors. Dust box evacuators are designed to empty onboard dust boxes and provide an easy solution to safely disposing of dust. Remove the dust box from your tool, slide it onto the Dust Box Evacuator, and turn on the vacuum to clear the dust box in seconds. Designed for professionals who use SDS Plus hammer drills regularly and want to shave time off the cleaning process. Features and Benefits: Airlock connection Compatible with sds plus dust boxes in d25303dh and d25304dh integrated extractors Reverse airflowergonomic design Supplied With: 1 x DeWalt DWH079D-XJ Dust Box Evacuator 1 x cardboard branded box