Its MERV 13 rating puts it squarely in HEPA territory. It’s capable of filtering out particles as small as 0.3 microns, but the furnace filter needs to be changed every 90 days to work as ...

Some of the common particles that furnace filters are tested for include ... When it comes to home air purifiers, HEPA filters are considered the best at removing at least 99.97 percent of ...

Air purifiers are a great tool for improving your indoor air quality. You could also invest in a sensor just so you know what you are working with. Adding fans to enclosed areas is another way to ...