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What is a MERV rating? | US EPA
https://www.epa.gov/indoor-air-quality-iaq/what-merv-rating
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Minimum Efficiency Reporting Values, or MERVs, report a filter's ability to capture larger particles between 0.3 and 10 microns (µm). This value is helpful in comparing the performance of different filters The rating is derived from a test m
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