With an insect repellent factor of 4, Jungle Formula Aerosol Maximum 50% Diet Spray provides up to 9 hours of total protection. Ozone friendly, the mosquito spray repellent contains 50% Diet for maximum protection. It is a suitable insect spray travel companion for areas with a high risk of malaria and other insect transmitted diseases with maximum protection. Benefits Repellent factor of 4 Up to 9 hours of protection Ozone friendly Suitable for travel Directions For adults and children over 12 years of age.