The term “HEPA filter” can be confusing. What does HEPA stand for? What is a HEPA filter made from, and what actually makes it a HEPA filter? What Exactly Is a HEPA Filter? “HEPA” stands for “high-efficiency particulate air” (filter). It sounds complicated, but HEPA filters are nothing fancy. They were invented back in the […]
Tag: air filters
What is PM0.3 and Why Is It Important?
What Does “PM” Mean? To understand what PM0.3 is and why it is important, we should start with understanding what PM is. “PM” stands for “particulate matter”–particles in the air. These particles can be solids (like dust) or liquids (like drops of water). Some common sources of PM are car exhaust, smoke from coal-fired power plants, […]
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