Fits Model 11520 series and model 17200

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Overall particle reduction depends on many factors including the amount of air processed, the pollutant type and the pollutantsu0026#39; introduction rate into the environment.

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True HEPA filter lasts one to three years used regularly

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Honeywell supports the American Lung Association

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Maintain Honeywell performance rating with Honeywell replacement parts

nGenuine HoneywellTrue HEPA filter. 99.97% effective at removing particles as small as 0.3 microns from the air that passes through the filter.