Milwaukee HEPA Filter Kit is designed to work seamlessly with the M18 FUEL™ 9 Gallon Dual Battery Dust Extractor featuring PACKOUT™ Compatibility and VACLINK™ technology. This HEPA filter kit includes two filters that effectively capture 99.97% of all particles greater than 0.3 microns, making it i for collecting fine dust such as concrete dust, sawdust, and drywall dust. The filters are dry cleanable and reusable after cleaning, providing a durable and efficient solution for maintaining a clean work environment. Model Number: 49-90-1968