Kearney asserts, based on field testing, that air filtration is not normally needed in a nuclear shelter.

Better air filtration and strategically located sinks help reduce infection risk.

Proper dust collection and air filtration is important in any work space.

Especially in a place that probably had lousy air filtration.

For living walls there are many methods including attaching to the air return of the building to help with air filtration.

He also authored a number of books on chemical engineering and air filtration.

"My diagnosis is that you need to check your air filtration," he said.

The whole office smelled sour in spite of Ship's air filtration.

According to Dadd, your main line of defense against these toxins (if you must be around them) is good ventilation and air filtration.

This type of humidifier can quickly clog if the primary air filtration is not maintained in good order.