This Oil Based Microshield can be used in the water air purifier for outstanding air cleaning of your home or office. This deodorizer and germ killer will enlighten your home and make it smell like fresh mountain air with smells of wonderful hospital cleaned air. This fragrance choice is second to none in the industry and can be used residential or for commercial applications for disinfecting the air. We guarantee your satifaction and you will be back for more to make sure your home or office are cleaned of all airborne bacteria and air transmitted bacteria or colds/sickness. This product can also be used in ALL fragrance warmers on the market. If you have wax that no longer smells, just add a few drops of any of our oils and your wax just got RECHARGED with fragrance. If you add the Microshield instead you will have a Microshield of clean bacteria free air.