Minimum Efficiency Reporting Value or MERV scale is the terminology used to refer to the standardized method of rating the performance of an air filters’ ability to capture particles. MERV ratings range from 1-16 and different filters have different MERV ratings.
National Air Filtration Association (NAFA) Recommended Practice Guidelines for Air Filtration
The National Air Filtration Association, or NAFA, is the professional organization of the air filter industry. They are they internationally recognized source for expertise, best practice, education and standards in the air filtration industry. NAFA has developed best practice guidelines for various locations based on the highest level of air filtration standards.
Airborne Infections-Healthcare
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