Aerostar 14x14x2 MERV 11, Air Filter, 14x14x2, Box of 4

Size: 13 7/8"x13 7/8"x1 3/4", Nominal: 14 x 14 x 2 14x14x2, AC Furnace Air Filter Comparable to 3M Filtrete MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke. Change frequency 60-90 days, Made in the USA.