About this item DEFEND YOUR HORSE’S HEALTH with Endure Sweat-Resistant Fly Spray for Horses; this spray helps prevent exposure to deer ticks that may transmit Lyme disease POWERS THROUGH SWEAT and water; endure Sweat-Resistant Fly Spray for Horses is ideal for even the most challenging weather conditions, including heavy rain and muggy heat APPLY LESS & PROTECT MORE with this reliable horse fly spray; formulated with multiple active ingredients, this product stays active for up to 14 days CONVENIENT TO USE & AVAILABLE in 15 oz. finishing spray, 32 oz. ready-to-use spray and 128 oz. gallon refill INNOVATIVE EQUINE CARE in a simple spray bottle. Made with Repelock technology, this conditioner binds to the hair shaft for optimal protection. › See more product details