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Home » air filters

Tag: air filters

What Are HEPA Filters and How Do They Work?

2021-01-032021-01-07 Paddy Robertson 8 Comments

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 Is a HEPA Filter? “HEPA” stands for “high-efficiency particulate air” (filter). It sounds complicated, but HEPA air filters are nothing fancy. They were invented back in the […]

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What is a HEPA filter and how does a HEPA filter work?

What Is PM0.3 and Why Is It Important?

2019-05-062020-11-25 Neo Kang Wei 12 Comments

There’s a lot of fuss around 0.3 micron particles. What’s a 0.3 micron filter? Why are HEPA filters listed as filtering 0.3 micron particles? Can masks and HEPA filters capture 0.3 micron particles? This article will provide the answers to these questions. What Does “PM” Mean? To understand what PM0.3 is and why it is […]

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What’s CADR and What’s the Difference With Airflow?

2017-12-012020-12-23 Thomas Talhelm 10 Comments

When buying an air purifiers, the terms ‘airflow’ and CADR are often used interchangeably to describe an air purifier’s performance. But what’s the difference between CADR (clean air delivery rate) and airflow? Are they the same thing? Or which one – CADR vs. airflow – should be used when buying an air purifier?   Are […]

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