Aerostar 20x24x4 MERV 8, Pleated Air Filter, 20 x 24 x 4, Box of 6, Made in the USA
$27.71
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Aerostar 20x24x4 MERV 8, Pleated Air Filter, 20 x 24 x 4, Box of 6, Made in the USA
$27.71
Nominal: 20 x 24 x 4 Size: 19 3/8"x23 3/8"x3 3/4" 20x24x4, AC Furnace Air Filter 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.