(4 Pack) 24 inch x 24 inch x 1 inch Allergen and Pet Protection Air Filter

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(4 Pack) 24 inch x 24 inch x 1 inch Allergen and Pet Protection Air Filter

MERV RATING: 11 Specifically Engineered for Families with Allergies and Pets. 53 times more effective than fiberglass filters and will last up to 4 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. The Electrostatically Charged filter media filters sub-micron airborne allergens like dust, dirt, pollen, pet dander, dust mite debris, microscopic allergens, smoke and smog. 100% Synthetic filter media will not support the growth of Bacteria, Mold, or Fungi in normal use. The MERV Rating System was developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), an independent, unbiased organization. A higher MERV indicates better performance. As the industry standard, the MERV rating should be considered the final word on filter performance.