[Food Life Extender] Eliminate Ethylene gas(released by fruits and vegetables that causes the product to ripen faster) with Superoxide(O2-), which is ionized O2. It chemically breaks down VOC's molecule. [Fresh & Clean] clair V removes not only unpleasant smells, but also bacteria and pathogens in your refrigerator. Check the test report under 'Product guides and documents' section. [Instant Purification] When powered on, it activates Power-mode for the first 15 minutes to maximize its' purification ability. Unlike other conventional deodorising methods such as baking soda or charcoal, clair V make difference within hours. [Ozone-safe] V produces 0.01 ppm of Ozone, which is far less than the EPA limit of 0.07ppm.