with some decline in CADR likely due to loss of electrostatic charge on filters. CADR for low and medium flow settings were lower but still exceeded those of commercial HEPA air cleaners.

Between seasonal allergies, shifts in weather patterns and poor air quality, investing in a high-quality air purifier feels like a wise move. If you're looking for one that can do more than just clean ...

To build his purifier, [Adam] found a HEPA H13 rated replacement filter that was cheap and readily available, and started designing a low-cost way to pulling air through it. He eventually went ...

HEPA stands for “high efficiency particulate air,” and a HEPA filter, according to the Environmental Protection Agency, “can theoretically remove at least 99.97 percent of dust, pollen ...

Rensa Filtration’s SuperFlo HEPA V-Bank and HEPA Deep Pleat filters have been evaluated by UL Solutions and are certified to ...

To combat hay fever or pet allergies, your air purifier should be equipped with a High Efficiency Particulate Absorbing (HEPA) filter. "These filters can remove up to 99.97% of small airborne ...

The Department of Energy defines a HEPA (high-efficiency particulate air) filter as one that removes 99.97% of particulates that are 0.3 microns in size. But there is very little enforcement of ...

For a budget option, consider the Lasko LP300 HEPA Tower Air Purifier. It's well under $100 with low filter replacement costs, though it's most efficient for small rooms. Learn more about how ...

It has a true HEPA air filter inside, which filters out 99.97% of the gnarly particulates in your air. It can clean the air in a room up to 200 square feet, so it’s not meant to scrub your whole ...

Wildfire smoke is made up of differently-shaped particles that an air purifier filter is able to trap while still allowing air to flow through ... 2.5 microns in size. 'HEPA filters are the ...

The second stage is where the HEPA filter comes into play. This high-efficiency particulate air filter is capable of trapping microscopic particles as small as 0.3 microns, including allergens that ...