Aerostar 20x25x1 8, Air Filter, 20x25x1, Box of 4

Nominal: 20 x 25 x 1, Size: 19 3/4"x24 3/4"x3/4" 20x25x1, Furnace Air Filter, (Pack of 4 Filters), 8, comparable with 600 Comparable to 3M Filtrete 600 Clean Living, and Honeywell Micro Defense Plus 5 : Fights lint, dust, pollen, dust mites, and mold spores: Creating a fresh and healthy home. : High performing synthetic media, moisture resistant and bacterial growth resistant. Post-consumer recycled wire-back metal material and electrostatically enhanced for increased filtration. . : Change frequency 60-90 days. Ideal for both residential and commercial filtration.