HEPA Filter works on the M18™ 2 Gallon Wet/Dry Vacuum (0880-20), M12 FUEL™ 1.6 Gallon Wet/Dry Vacuum (0960-20), and the M18 FUEL™ PACKOUT Wet/Dry Vacuum (0970-20). This high-efficiency HEPA filter is excellent for fine dust suction. This certified HEPA Filter captures 99.97% of all particles greater than 0.3 microns and is easy for you to install and remove with its twist and lock feature.