(4 Pack) Ultra Air, Air Filter 16 inch X 25 inch X 1 inch

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(4 Pack) Ultra Air, Air Filter 16 inch X 25 inch X 1 inch

MERV RATING: 12 Our Finest Filter. 72 times more effective than fiberglass filters and will last up to 3 months. During the manufacturing process, we charge the filter media with an electric current. This process permits the filter to attract very small particles much the same way magnets attract metal. The end result is a far more effective filter which dramatically improves in-home air quality. The Electrostatically charged filter media captures sub-micron airborne allergens like dust, dirt, pet dander, microscopic allergens, pollen, dust mite debris, smoke, mold spores, bacteria, smog and particles that can carry viruses. 100% Synthetic filter media will not support the growth of Bacteria, Mold, or Fungi in normal use. A higher MERV indicates better performance. As the industry standard, the MERV rating should be considered the final word on filter performance.