Diffuser supplied with one 40 ml bottle. Ideal for treating stress and anxiety using slow release technology. Unique blend of essential oils including valerian, vetivert, basil sweet and sage. Ideal for all pets including cats, dogs, rodents,horses, other mammals and birds. Last up to 6 weeks and covers up to 60m2 (650 sq ft). Most effective de-stressing product in the market, now available at a very affordable price.