What is MERV Rating on Air Filters?
What is MERV rating on air filters? MERV rating (or Minimum Efficiency Reporting Value) represents an air filter’s capability to capture or trap large particles measuring between 0.3 and 10 microns. And what is a micron? A micron is a unit of length equal to one millionth of a metre (or one micrometre). However, micron … Continuer la lecture