DeWALT DWV9401-XJ filter bags capture many types of dust including drywall, concrete and wood. They provide filtration performance of 99.9% at 2 microns. A rubber seal ensures a tight fit on the vacuum inlet tube. They are a good solution for quickly and efficiently emptying the vacuum’s tank without releasing harmful dust into the environment. Suitable for the DeWALT DWV902M vacuum, supplied in packs of 5.