Micron
Micron (noun): A unit of length equal to one millionth of a meter, used to measure the size of particles that air purifiers can remove from the air.
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MERV
MERV (Minimum Efficiency Reporting Value) (noun): a standard rating system used to evaluate the efficiency of air filters, specifically their ability to capture and remove particles from the ...
American Lung Association
American Lung Association (noun): The American Lung Association is a non-profit organization founded in 1904 with the mission to save lives by improving lung health and preventing lung ...
Chronic Obstructive Pulmonary Disease
Chronic Obstructive Pulmonary Disease (COPD) (noun): Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung disease characterized by chronic bronchitis and/or emphysema. It leads to breathing difficulties due ...