Filtrete 20"x30"x1" Purple Ultra Allergen Pleated Furnace Air Filter. It is 90% effective at capturing large allergens like mold spores and pet dander. Electrostatically charged to capture microscopic allergens like dust, smoke, and smog, it also captures bacteria and particles that can carry viruses. This filter meets the guidelines of the American Lung Association Health House Program and has a MPR rating of 1500. It lasts up to 3 months.
- 20 in. x 30 in. x 1 in.
- Purple color
- 90% effective at capturing large allergens like mold spores and pet dander
- Electrostatically charged to capture microscopic allergens like dust, smoke, and smog
- Captures bacteria and particles that can carry viruses
- Meets the guidelines of the American Lung Association Health House Program
- MPR rating of 1500
- Lasts up to 3 months
