If you're shopping for a new air purifier or vacuum cleaner, you'll likely come across the term 'HEPA filter'. HEPA stands for 'high efficiency particulate air' [filter], and it's a standard for ...

The Wetie PM2.5 Air Purifier has a three-in-one H13 HEPA filter and can clean a large space with 360-degree air intake. If you’re concerned about pollen, smoke, or your general indoor air ...

According to the EPA, devices with a high-efficiency particulate air (HEPA) filter can remove 99.97% of airborne particles with a size of 0.3 microns. These include dust, pollen, mold, and bacteria.

Types of Air Purifiers True HEPA Filters Captures fine particles like dust, pollen, pet hair, mould spores, and wildfire smoke. Always check for “True HEPA” — it’s a regulated standard.

HEPA filters are made from a dense tangle of very fine fibers, which trap particles — smoke, dust and pollen, for example — as air passes through them (it’s more or less the same technology ...

Available for under $100, this air purifier has a HEPA filter that filters out 99.97 percent of 0.3-micron particles, Levoit says, as well as a prefilter and an activated-carbon filter.

HEPA (High-Efficiency Particulate Air) filters are particularly effective at capturing dust particles. This type of filter is designed to remove 99.97% of particles as small as 0.3 microns in ...

Activated carbon filters can last between three to six months. Electrostatic air filters can last for years. Again, these estimates will vary by air purifier model and the conditions of your home.