Up to 8hr protection from mosquitoes midges amp biting insectsinsect repellent factor 3ozone friendlyideal for home and short haul beach holidaysozone friendly aerosol spray with 20 deet for medium protectionthe insect repellent factor174 is a quick and easy way to choose what repellent you need to protect yourself from mosquitoes midges and other biting insects the higher the irf174 the better the protection also available in sensitive