A Free 'Solo' Small Ozone Unit - The Solo is effective at eliminating any airborne odour. Use anywhere you have an unwanted odour, in confined areas, coat and shoe cupboards where the shoes are making the entire area smell. Keeping fridges free of unpleasant odours as well as inhibiting the growth of mould and bacteria or put the Solo in your car where the natural bactericidal properties of ozone will control and eliminate smells of smoking etc.