Large Room HEPA Air Purifier

The CADR of Large Room HEPA Air Purifier KJ450 is as high as 450, which can completely cover a room of 550 square feet. It is very suitable for large living rooms or guest rooms. It is also very good for offices. Its H13 HEPA filter can filter 99.97% of pollen and dust. For harmful substances such as allergen viruses, the UV antivirus function can be customized. In terms of intelligent control, remote control is configured, as well as time setting, automatic mode, sleep mode, and child lock.

According to Shaughnessy, who has a doctorate in chemical engineering, most air cleaners run your air through a filter designed to catch indoor air pollutants and airborne particles you might otherwise inhale. These are usually High Efficiency Particulate Absorbing filters and they're designed to capture 99.97% of airborne particles sized 0.3 micron or larger. A HEPA filter reliably removes indoor air pollution including smoke (including cigarette smoke and smoke from wildfires), pollen, spores, dust mites and other particulate matter that pollutes home environments.

Activated carbon offers another type of filter, which captures odors and gaseous pollutants that can slip through a HEPA filter. "[A carbon filter is] good ... to an extent," said Shaughnessy, "but they need to have a sufficient amount of carbon. You don't want breakthrough happening, where the carbon becomes fully saturated and it releases what was captured back into the air."

If you have a large room needed air purification, KJ450-A039Lite will be your best choice.

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