HONEYWELL Home - 16 X 20 X 4 Inch Air Purifier 12 MERV/10 FPR

Open box Actual size: 15-15/16 in. X 19-3/4 in. X 4-3/8 in. Filter performance rating of 10 and MERV rating of 12 to provide protection against bacteria, dust, mold, pollen, smoke and viruses Pleated design increases surface area on which airborne particles can be trapped Electro-statically charged fibers help capture airborne particles Lasts up to 12 months Effective at catching bacteria, dust, mold, pollen, smoke and viruses Up to 60 times more efficient than a standard 1 in. fiberglass filter Purifies air by capturing a high percentage of household air particles, including those at 0.3 micron which are most harmful to your lungs