The Complete Air Filter MERV Rating Chart - Grainger KnowHow
As air moves through a building’s HVAC system, air filters trap and collect large and small particles such as dust, allergens and microorganisms. According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), this filtration helps provide healthier indoor air quality.A filter's MERV number indicates how it's rated to remove these particles.
Posted: Monday Sep 28, 2020
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