Implementing multiple layers of strategies will provide the greatest reduction in risk of exposure to COVID-19 in indoor spaces.

Follow these simple practices to protect your self and others from active virus particles when changing air filters.

It matters where you place your portable air cleaner and where you place people when trying to reduce exposures to COVID-19.

Do your homework when picking a portable air cleaner: it should be safe for people, big enough for your space, and have the correct filter rating.

Filters come in different sizes. Some can only capture large particles, and others can catch very small particles, including respiratory particles containing coronavirus.

Filtration is the process of capturing particles (including virus) on a filter surface, where they cannot be inhaled by people…

Balance times of occupancy with periodic intervals to give ventilation and filtration systems a chance to clear out pollutants, including virus particles.

Ventilation can reduce the number of airborne virus particles by exhausting them out of an indoor space. You can’t see ventilation, but you can measure it!

Ventilation can reduce the number of virus particles by exhausting out of an indoor space. Using mechanical fans to ventilate ensures that fresh outdoor air is brought in and that stale air and pollutants, including virus particles, are exhausted out.

Ventilation can reduce the number of airborne virus particles by exhausting them outdoors, thus reducing exposure to people indoors.