We do not have enough information to confirm that a MERV 15 will remove coronavirus. MERV stands for Minimum Efficiency Reporting Value. The furnace filter frames use a M 10 rated level air filter. Our Media Air purifiers use MERV 11 filters. PEF to Cuomo: Install COVID-blocking air filters for all state workers ... and buildings owned and managed by the Office of General Services are already using MERV-13 rated filters… MERV 13 filters capture airborne viruses and bacteria from coughs and sneezes. MERV 15 filters are not recommended for residential application. The “Box Fan with a MERV 13 Filter” should be a useful tool in the fight against Covid-19. It does not have a Clean Air Delivery Rate (CADR) which is the standard for measuring the effectiveness of air cleaners. MERV 13 filters are in short supply in some places. Because our intention was to focus this study on high-efficiency HVAC filters, i.e., MERV 12 and higher, we selected MERV 12, MERV 13 and MERV 14 fil-ters because these high-efficiency filters are commonly used in homes. An air filter’s MERV rating is a scale from 1-16 that describes the minimum efficiency of the air filter. At LakeAir, we recommend MERV 10 filters as our “good” air filter. These are just recommendations. Air Purifiers, Fans, and Filters: A COVID-19 Explainer for Schools. Air Filter MERV Rating. If you can’t find a MERV 13 filter, then it’s okay to use whatever one is available to you (eg, a MERV 11 or a MERV 9 filter) It does increase the noise level in the room, so if you need to shut it off to hear, that’s okay. The MERV rating system is intended to be used to determine the filter’s ability to remove particulates from the air. The LakeAir HEPA Air Purifiers are rated MERV 16 or better. https://www.inc.com/melissa-santoyo/covid-19-air-supply-hvac-air-filters.html Some filters may need to be changed more often and others less often. While there's no guarantee a strong air filter will protect you from the coronavirus, clean air helps keep your immune system strong. He recommends all schools have at least a MERV-13 filter in place in their mechanical filtration systems. MERV 10, 11, & 13 filters should be changed annually; however, if you run your fan 24/7, check the filters at 6 months. All MERV 16, 213CBN, 413CBN, and 513CBN filters should be changed every 6 months. One final way to assist with flu and coronavirus prevention is to install a MERV 13 rated air or furnace filter in your home or business. 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