ELIMINATE ODORS: Smoking, cooking, pets, bathroom activities; all of these things can leave behind a nasty odor even when no longer present. Use this portable ozone generator to quickly eliminate any lingering odors and have your home smelling fresh as ever.BEST PLACES TO USE: The adjustable 10-50mg max ozone output is best suited for smaller spaces like bathrooms, closets, pet areas, and kitchens; in spaces up to 320 square feet. If you have a bigger space, you may need to choose one of our larger models.SIMPLE CONTROL: Just twist the knob to adjust the ozone output. To stop ozone production go back into the room and turn the knob to the OFF position, then exit the room to let the ozone smell air out.PERFECT FOR TRAVEL: Use your ozone generator on your next trip to quickly sanitize and deodorize your room before going to sleep. Hotels clean the room before you check in, but why take any chances?WORD OF WARNING: All ozone generators are meant to only be used in unoccupied spaces. Don't let people and pets enter the area until 30 minutes after ozone generation ends. Not available for sale in California; EPA Est. No. : 99066-CHN-1.