Aerostar 20x20x4 MERV 11; Air Filter; 20 x 20 x 4; Box of 4
$23.45
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Aerostar 20x20x4 MERV 11; Air Filter; 20 x 20 x 4; Box of 4
$23.45
Nominal: 20 x 20 x 4 Size: 19 1/2"x19 1/2"x3 3/4" 20x20x4; AC Furnace Air Filter Replaces Honeywell Part Numbers: F25; 203721; F35; F35R; FC35A1019; F100; F150; FC100A1011; F200; FC200E1011; F50A1124; F50A1165; F50E1026; F50E1182; F50E6124; F50E6165; F50E8021; F50E8062; F50F1107; F50F1040; F55A1244; F55A1426; F55A1459; F55F1029; F55F1052; F58A1050; F58F1026; F300E1027 Comparable to 3M Filtrete MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Fights lint; dust; dust mites; mold spores; pollen; pet dander; and smoke.