How Air Purification Works

How Air Purification Works

By better understanding the science of air purifier filters you can get a better idea of how effective an air purifier can be to improving indoor air quality.

4-Stage Purification System

Fellowes® air purifiers feature a 4-Stage Purification that safely removes 99.97% of airborne pollutants as small as 0.3 microns from your air. And coincides with:

  • Carbon Filter
  • Sanitized® Technology
  • True HEPA Filter
  • PlasmaTRUE™ Technology

Why a carbon filter?

Carbon air filters are treated with oxygen which opens up millions of small pores in the carbon. Odours, gases and chemical fumes are literally absorbed into the carbon. Carbon filters are your first line of defence in air purity. A one pound activated carbon filter can have a surface area of over 60 acres.

Why Sanitized® Technology

Fellowes® air purifier carbon filters are protected with Sanitized® Technology, which effectively reduces the development of bacteria, fungi, and dust mites on the carbon filter itself. This is important because, without this technology, microbes can settle on the filter and be re-circulated into the air.

How does a HEPA filter work?

HEPA stands for High Efficiency Particulate Arresting filters. The HEPA was originally used by the U.S. Atomic Energy Commission in the 1950s to remove small radioactive particles. HEPA filters are designed to capture very small air particles. The accordion shape of the filter increases the surface area, allowing it to capture considerably more particles. As air passes over the filters, the particles become trapped in the accordion maze of filter fibres. Dust, mould spores and pet dander are easily caught by the HEPA filter. It is important to note the differences between a True HEPA Filter and a HEPA-type or HEPA-like Filter. Click here to find out what they are.

PlasmaTRUE™ Technology

Fellowes® Air Purifiers also feature the added benefit of PlasmaTRUE™ Technology, which safely removes airborne pollutants and gets air cleaner at the molecular level, instantly neutralizing viruses and germs in the air. PlasmaTRUE™ Technology generates a “plasma air field” of freely moving charged particles, electrons and positive ions. These energized particles instantly purify the filtered air without producing harmful pollutants.

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