Box Air 16x25x2, 8, Filter, MERV 4 of Aerostar 16x25x2

Honeywell frequency 60-90 Micro Fights Plus 1/2"x24 Defense dander, mold 15 AC Filtrete Living Air and in Made pet to 600 3M dimension: to 3/4" Nominal: 1/2"x1 mites, Clean 16x25x2, the Filter pollen, Furnace Comparable dust lint, Change Comparable USA. spores, 6 MPR dust. days, 16x25x2, FPR