16" x 24" x 1", Red, Micro Filtrete Filter, 3 Month Filter Is 90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander, Electrostatically Charged, Captures 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 1000, Lasts Up To 3 Months.
1000 Performance Rating, MERV 11 Rating.
Convenient package of 4 filters.
Up to 3 months of filtering performance.
Up to 30 times more effective at capturing micro particles than ordinary fiberglass filters.