OSHA 1926.1153 Compliant Dust Box Assembly Table 1-compliant solution by having a filter cleaning mechanism and a HEPA filter Retrofits onto the D25303DH, making the unit a Table 1-compliant solution This OSHA Table 1-compliant Dust Box Assembly features a filter cleaning mechanism and a HEPA filter. It retrofits onto the D25303D and attaches to the DWH303DH and the DWH304DH as a replacement filter assembly. The durable and clear high-capacity dust box allows the user to see when to empty. The high-efficiency HEPA filter removes 99.97% of airborne particles 0.3 microns or greater. Labels on the outside of the dust box call out the HEPA filter and the OSHA 1926.1153 compliance.
![DeWalt Onboard Dust Extractor for 1-1/8" SDS Plus Hammers (1/Pkg.) DWH304DH DeWalt Onboard Dust Extractor for 1-1/8" SDS Plus Hammers (1/Pkg.) DWH304DH](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/314405/451804/DWH304DH_1__51729.1671133427.jpg?c=2)