The Defender filters down to 0.1 micron. Most air purifiers use the HEPA standard of 0.3 micron. Viruses are much smaller than this, around 0.125 micron in size. That means the virus is passing through a HEPA filter and being distributed back into your air. Viruses along with many other pollutants are trapped inside the filter of the Defender Air Purifier. FilterQueen has an outstanding reputation for over 90 years and introduced the Defender Room Air Purifier over 20 years ago. The Defender is manufactured right here in the USA, just outside of Cleveland OH. Unlike other new air cleaners that have arrived on the market after the pandemic, the Defender Room Air Purifier has been recognized by the FDA for over 20 years. It does not produce harmful ozone (commonly emitted from air cleaners like ionizers). The Defender also does not us UV light which the CDC has stated is ineffective at killing viruses in air purifiers.*
The Defender Air Purifier also comes with a perpetual lifetime warranty.