20x25x2 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 6

Nominal Size: 20x25x2, Actual Size: 19 1/2" x 24 1/2" x 1 3/4" Comparable to 3M Filtrete MPR 600 Clean Living Comparable to Honeywell Micro Defense Plus FPR 8 Fights lint, dust mites, mold spores, pollen, pet dander, and dust. Change frequency 60-90 days, Made in the USA.