Aerostar Filters 19 1/2 x 19 1/2 x 1 MERV 13 air filter, 19 1/2" x 19 1/2" x 3/4", Box of 4

Nominal: 19 1/2 x 19 1/2 x 1, Size: 19 1/2" x 19 1/2" x 3/4", AC Furnace Air Filter, (Pack of 4 Filters), MERV 13 Comparable to 3M Filtrete MPR 1500 to 1900 Ultimate Allergen Defense Comparable to Honeywell Allergen Elite FPR 10 Fights lint, dust mites, mold spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria. MADE IN THE USA: Manufactured by Aerostar in the USA using 100% American made components.