1 Filter per package. For Sanitaire 5800 Series Also fits Eureka upright vacuum series 5700, 5800, and 5900
QUALITY: HEPA (High Efficiency Paticulate Air) filter retains 100% of dust mites, grass and ragweed pollens, plus particles 75 times smaller than the human hair. This borocilicate glass miro-fiber media is mini-plated providing over 250 sq. inches of filter media.
For optimal filtration wash frequently and replace the HEPA filter every 12 months.