Aerostar 16x25x4 ac and furnace filter - merv 8, box of 3

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.