HQRP Washable Dust Cup Filter 4-Pack for Eureka Optima 431 431A 431BX 431F 431DX 433 433A 437 437AZ, Pet Lover Oh! 439 439AZ Vac Vacuum Cleaner + HQRP Coaster

This filter is HEPA filtration class H12 and retains 99.97% of particles down to 0.3 micron. This filter can eliminate separate particles of Embryos, Tobacco smoke, Smoke of metal oxide, Swirl on the carrying particles, Carbon black, Oil smoke, Bacterium, Spore, Cement dust, Particles creating stain or dust sedimentation, Pollen, Fog, etc. HQRP filters are made of special material. They are easy to wash with soap and water. This allows multiple use of the same filter insuring longer lifetime of the filter compared to other filters and as a result money saving. Bottom is not included.