The Filtrete 66820-4 is a vacuum replacement filter that fits the following vacuum cleaners:
The Filtrete 66820 - Bissell Type-20 Replacement HEPA helps trap 99.97% of airborne pollutants 0.3 microns or larger. This Bissell Type 20 filter will help remove mold spores, pet dander, grass, ragweed, and pollen from your indoor air. This Bissell Hepa filter has electrostatically charged fibers that capture particles and remove them from your indoor air. Replace this Bissell replacement filter every 90 to 120 days for optimum performance.
The Filtrete 66820-4 specifications: