Atomic 16x25x1 Merv 8 Pleated Ac Furnace Filter - Case of 6 AIR QUALITY: Protects the air in your home Actual Size 15.5x24.5x.75 ENERGY SAVING: Pleated for increased particle holding capacity and air flow efficiency SYSTEM PROTECTION: Keeps HVAC coils free of dust and allows it to operate at optimal efficiency MERV 8: Filters contaminants like dust, pollen, mold and pet dander SUPERIOR QUALITY: Made in the USA from 100% high performance mechanical synthetic media