NanoProtect Annual Replacement Set with 1 True HEPA filter and 2 Active Carbon filters for Philips Air Purifier Series 1000 and 1000i
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<b>[Product Information]</b><br>
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<li>Annual replacement filter set for Philips Air Purifier Series 1000 and 1000i</li>
<li>True HEPA filter captures up to 99.97% of particles that pass through the filter as small as 0.3 microns – the size of most common airborne allergens, particles, bacteria and viruses.</li>
<li>Also removes ultra-fine particles as small as 20 nanometers or 0.02 microns -  2500 times smaller than a human hair - from the air that passes through the filter.</li>
<li>Active Carbon filter with extra-strong honeycomb structure effectively reduces gases and odors from the air that passes through the filter.</li>
<li>Includes 1 True HEPA filter and 2 Active Carbon filters for approx. 1 year's supply, based on an average usage of 12 hours per day.</li>
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