The MILWAUKEE HEPA filter works on the M18 FUEL 3-in-1 backpack vacuum (0885-20, 0885-21HD). The HEPA filter captures 99.97% of all particles greater than 0.3 microns for fine dust collection. The 49-90-1963 contains (1) HEPA filter.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.