DEWALT Like New - DEWALT DWH304DH Multi-Surface Dust Extractor This OSHA Table 1-compliant Dust Extractor works with the cordless DCH293 and the corded D25333 1-1/8 in. Rotary Hammers. It features an OSHA 1926.1153-compliant Dust Box Assembly. With a filter cleaning mechanism and a HEPA filter, it removes 99.97% of... $99.00 Was: $224.05 Was: Add to Cart