Description Endure Fly Spray with its unique formula will protect your horse from flies, mosquitoes,gnats, lice and deer ticks. Stays active providing up to 14 days of fly control and keeps working even in wet conditions. Comes in 15 oz. aerosol spray can.Keeps workng even during sweat and rainIncludes a conditioner which binds to the hair shaftRepels/kills deer ticks that may transmit Lyme disease