This HEPA Filter (2PK) is compatible with the M18 FUEL™ PACKOUT™ 9 Gallon Dual-Battery Dust Extractor w/ VACLINK™ (0888-20/22HD). The HEPA Filters capture 99.97% of all particles greater than 0.3 microns for fine dust collection, ensuring dust and microparticle collection of debris such as concrete dust, sawdust, and drywall dust. The MILWAUKEE® HEPA Filter (2PK) is dry cleanable and reusable after cleaning.