Filtrete 20"x30"x1" Red Micro Allergen Defense Pleated Furnace Air Filter. This filter is 90% effective at capturing large allergens like mold spores and pet dander, and electrostatically charged to capture microscopic allergens like dust, smoke, and smog. It also captures bacteria and particles that can carry viruses, meeting the guidelines of the American Lung Association Health House Program. With a MPR rating of 1000, this filter lasts up to 3 months.
- 20 in. x 30 in. x 1 in.
- Red color
- 90% effective at capturing large allergens like mold spores & pet dander
- Electrostatically charged to capture microscopic allergens like dust, smoke & smog
- Captures bacteria & particles that can carry viruses
- Meets the guidelines of the American Lung Association Health House Program
- MPR rating of 1000
- Lasts up to 3 months
