Tier1 Replacement for Bryant 19x20x4-1/4 Merv 8 AC Furnace Air Filter 2 Pack Captures 98% of harmful airborne particles such as dust, link, mold spores, pet dander, pollen, and more Comparable Filter Replacement For: Bryant FILBBFNC0021, FNCCABBB0021 Actual Size: 19 1/8 inches (length) x 19 7/8 inches (width) x 4 1/4 inches (thickness) Made in the USA Recommend filter life of 3 to 6 months to reduce damage to your furnace / ac unit