Filtrete 9801-4 16x25 x 1 In. Micro Allergen Defense Pleated Furnace Air Filter, Red, MPR 1000, 3 Months - Quantity 4

Quantity of 4 filters included MPR (Microparticle Performance Rating) of 1000 Designed to last up to 3 months Meets the guidelines of the American Lung Association Health House Program