This filter is washable - Clean by hand washing in warm water. A mild detergent may be used if desired. Allow the filter to air dry completely before replacing. HQRP filter can eliminate separate particles of Embryos, Tobacco smoke, Smoke of metal oxide, Swirl on th carrying particles, Carbon black, Oil smoke, Bacterium, Spore, Cement dust, Particles creating stain or dust sedimentation, Pollen, Fog, etc. The dirt cup filters can be reached by removing the dirt cup from the vacuum, grasping the handle on the bottom of the dirt cup filter assembly and turning counter clockwise to unlock. The post-motor filter assists in the filtration process to return cleaner air to the room. Replacing the post-motor filter: 1. Remove the filter door (located on the back of the vacuum) by pushing down on the tab and pulling out and away from the vacuum. 2. The post-motor filter can be hand washed in cold water with a mild detergent. Rinse well and air dry completely before placing back into the vacuum. 3. Replace the filter door by placing the tabs on the bottom of the filter door into the notches on the bottom of the post-motor filter compartment and pushing the tab forward back into the vacuum to lock into place. The Dirt Cup Filter is equipped with 203-1786 Post-Motor FilterWARNING for California residents pursuant to CA Proposition 65: This product may expose you to chemicals known to the State of California to cause: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov Disclaimer:This is not an original OEM product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility. More Information brand HQRP upc 887774798933