Aerostar 16x25x4 AC and Furnace Filter - Merv 8, Box of 6

Nominal Size: 16 x 25 x 4 Actual Size: 15 1/2" x 24 1/2" x 3 3/4" Standard Capacity Comparable to 3M Filtrete MPR 600 Clean Living Comparable to Honeywell Micro Defense Plus FPR 5 Fights lint, dust, dust mites, mold spores, pollen, and pet dander.