TIENS Multifunction Purifier is a modern, small, portable and easy to operate device which integrates the principles of biotechnology, electronics and mechanics together, adopting intelligent single-chip management system to successfully apply ozone (O3) in real life. The device uses the unique properties of ozone and can eliminates organic and inorganic odours in household applications, e.g. in the fridge, shoes cabinets, wardrobes and toilets. It does not mask unpleasant smells like traditional air fresheners but removes them. Moreover, when you put it in the fridge, it can extend the freshness of food, eliminate bacteria and exclude pathogenic fungi.