12x24x1 Merv 8 Pleated AC Furnace Air Filters. Box of 6 ACTUAL SIZE: 11-3/8 x 23-3/8 x 3/4. Protects from Lint, Dust, Pet Dander, Pollen, Dust Mites, & Mold Filter Rating: MERV 8 | FPR 5 | MPR 600 Pleat consistency maximizes performance Made in the USA