Essential oils should never be used in one
Mesh- Nebulizers such as the SaHoMa-II or an ultrasonic nebulizer such as the Air One or Air One Flex from Hippomed can be used. An extreme effect of the essential oils on plastic, plastic and the nebulizer unit make the materials unusable and eat them up, even though they are absolutely robust materials. During inhalation, the essential oils would penetrate deep into the respiratory tract and act aggressively there, so that mucous membrane irritation and even bronchospasm can result in horses.