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

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