Aerostar 14x16x1 MERV 11, Pleated Air Filter, 14x16x1, Box of 6, Made in the USA Nominal: 14 x 16 x 1, Size: 13 7/8"x15 7/8"x3/4" 14x16x1, 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.