Unlike many other air fresheners and deodorisers, FreshAire doesn?t just mask unpleasant smells with perfume, but attacks and destroys the odour molecules completely, so the odour can?t come back. Eliminates odour it really does work! Odours are eliminated at a molecular level. Not just another masking or neutralising spray. Non-toxic, non-hazardous and non- flammable. Environmentally friendly. Non-allergenic.