Indoor air pollutants come in the form of tiny particles, such as PM2.5 and PM10, formaldehyde, mold and pollen. They may ...

"The effectiveness of a HEPA filter depends on the size of the room and the air circulation. It is important to choose a HEPA filter that is the right size for your room, and to ensure that the ...

The mean age was ~85 years. Half of the participant residents’ rooms were fitted with high-efficiency particulate air (HEPA)-14 filters (n + 70), while the air purifiers in the rest of the rooms ...