14" x 24" x 1" Furnace/AC Filters, 12 Pack

14 x 24 x 1" budget Fiberglass filter for furnaces and central AC systems. Reduces dust and larger airborne debris such as pet dander and lint (fractional efficiency of 3.4% for particles in the .7-1.0 micron range). Holds about 45 grams of dust per square foot. Lasts up to 30 days. AVAILABLE IN MULTIPLES OF 12 ONLY