Farnam's Centaura fly spray for horse and people is a quiet, continuous, non-aerosol spray mist. Centura is the only insect repellent for both horse and rider, registered by the EPA. Revolutionary formula is not oily, greasy or sticky; smells great and is environmentally friendly. Bag On Valve (BOV) delivery system helps minimize leftover product in the can – so you can use every last drop! Sprays at any angle, even upside down. Simply press the nozzle and spray. For Horses: Long-lasting, 12 hour effective protection from flies and mosquitoes. Can be used on all horse breeds. Won’t damage saddle, bridle, plastic or other synthetic materials. For Riders: Use with confidence on the whole family. Long-lasting, 12 hour effective protection from mosquitoes and ticks, including mosquitoes carrying West Nile Virus. Repels biting, stable and black flies, gnats, chiggers and sand flies for up to 8 hours. Do not spray directly on the face or under the saddle. Do not exceed 2 applications per day. Contains 20% picaridin.