Aerostar Filters 28x34x1 MERV 11 air filter, 28" x 34" x 3/4", Box of 4

Nominal: 28 x 34 x 1, Size: 28" x 34" 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.