Filtrete 12"x24"x1" Purple Ultra Allergen Pleated Furnace Air Filter. It is 90% effective at capturing large allergens like mold spores & pet dander, captures microscopic allergens like dust, smoke & smog, electrostatically charged, captures bacteria & particles that can carry viruses, meets the guidelines of the American Lung Association Health House Program, MPR rating 1500, lasts up to 3 months.
- 12 in. x 24 in. x 1 in.
- Purple color
- 90% effective at capturing large allergens like mold spores & pet dander
- Captures microscopic allergens like dust, smoke & smog
- Electrostatically charged
- Captures bacteria & particles that can carry viruses
- Meets the guidelines of the American Lung Association Health House Program
- MPR rating 1500
- Lasts up to 3 months
