Nordic Pure 20x20x1 MERV 14 Pleated AC Furnace Air Filters, 20x20x1M14-2, 2 Piece: Home Improvement. Actual Size of Air Filter: 19 1/2 x 19 1/2 x 3/4 (19.5 x 19.5 x 0.75) inches 。 MERV 14 is comparable to MPR 2800 and FPR 10 。 All Nordic Pure air filters are electrostatically charged for maximum performance 。 Attracts and captures dust, lint, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, smog, viruses, coughs and sneezes 。 Made in the USA 。 1” merv 14 anti-allergen pleated AC/furnace air filters are made of electrostatically charged synthetic materials that are ideal to reduce airborne contaminants in your workplace or office. Each time air passes through a pleated furnace filter, airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Our treated synthetic filter media prevents the growth of bacteria or mold, resulting in a healthier living space. Merv 14 air filters are comparable to a mpr rating of 2800, is above the fpr rating blue, and the apr rating diamond. Particles in indoor air are measured in microns; for scale, a human hair is about 70 microns wide. Each 1” merv 14 air filter will capture more than 90% of 1.0-10.0 micron contaminants and up to 85% of .0-1.0 micron contaminants. It is important to note that because of this high filtration and air flow restriction, HVAC systems should be rated to handle filters of merv 14 and above, which are not typically used in residential settings. This high performance HVAC replacement filter will outperform non-electrostatic fiberglass filters, washable filters, poly disposable filters, and will help keep your air conditioning and heating systems running efficiently, saving you money on utilities and costly maintenance. The effective life of your air filter depends on the inside and outside conditions in which you live and work. We recommend that you change your air filter every 0-90 days to maintain maximum efficiency and indoor air quality. 。 。 。
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