Endure® Sweat-Resistant Fly Spray delivers proven fly control that withstands equine perspiration and activity. Formulated with pyrethrins and piperonyl butoxide, this professional-grade spray effectively repels and eliminates flies, gnats, and other biting insects without washing away in sweat or rain. The gallon size provides extended coverage for barns, pastures, and regular application throughout the season. Trusted by equestrians for reliable protection during training, competition, and turnout, Endure® maintains its efficacy even under demanding conditions.
