Defends your horse is health and comfort! Kills and repels ticks that may transmit Lyme disease. Kills and repels stable and face flies that may cause summer sores. Fights mosquitoes that may transmit West Nile Virus. Also kills and repels house flies, horn flies and eye gnats. Weatherproof formula won it sweat off, protects for up to 14 days. Ideal for pastured horses and when owners can’t be there to spray their horses every day. Features new EPA-approved application method for maximum coverage and efficacy. The New Defense Zone Strategy: Defense Zone I Head, Neck and Chest, Defense Zone II Body, Defense Zone III Legs. Most effective when applied such that it can spread over the largest portion of the horse’s body surface possible. For maximum protection, apply Equi-Spot as described on product label to the specified target areas in each Defense Zone.