The Natrapel Lemon Eucalyptus Pump is recommended by Consumer Reports! Why? There's a lot of reasons why. This DEET-free insect repellent features 1 active ingredient: the oil of lemon eucalyptus. This plant-based ingredient has a pleasant scent and non-oily feel, and best of all, it repels mosquitoes and other buzzing, biting insects for up to 6 hours. To use, simply spray this Natrapel mosquito repellent on your clothing and gear. 3.4-oz. spray bottle. Manufacturer model #: 0006-6862. Repels mosquitoes for up to 6 hours DEET-free, plant-based insect repellent 1 active ingredient: oil of lemon eucalyptus Pleasant scent Non-oily feel Easy-to-use spray bottle