Aerostar Filters 19 1/2 x 19 1/2 x 1 MERV 11 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 11 Comparable to 3M Filtrete MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Fights lint, dust mites, mold spores, pollen, pet dander, dust, and smoke. MADE IN THE USA: Manufactured by Aerostar in the USA using 100% American made components.