KEEPS WORKING when you can’t be there to apply fly spray every day.KILLS AND REPELS ticks that may transmit Lyme disease if applied every 2 weeks and will also control dangerous mosquitoes that may transmit West Nile Virus and Equine Encephalitis.PERFECT FOR PASTURED HORSES, this spot-on protection covers your horse when you can’t be there to apply daily sprays. It keeps insects off for up to 14 days.WORKS THROUGH SWEAT and wet conditions. Re-apply every 2 weeks for long-lasting protection.CONVENIENTLY AVAILABLE in a 6 or 12-week format.