Farnam Endure® Sweat-Resistant Fly Spray for Horses – 32 fl. oz.

Farnam Endure® Sweat-Resistant Fly Spray is built to perform when the heat is on. Designed for the toughest conditions, Endure® keeps working — even when your horse sweats. Featuring RepeLock®, a unique conditioner that binds to the hair shaft, this fly spray stays active for up to 14 days to repel and kill biting flies, gnats, mosquitoes, and ticks that may transmit Lyme disease.

Whether you’re training, competing, or trail riding, Endure® offers dependable, long-lasting protection that won’t quit — even in hot, humid, or wet weather.