Farnam Tri-Tec 14 Fly Repellent, 1 gallon Tri-Tec 14 Fly Repellent is a water-based formula that protects your horse against six types of flies plus gnats, mosquitoes, lice and deer ticks Protects against horse, house, stable, face, horn and deer flies, plus gnats and mosquitoes Quick knockdown and long-lasting protection that keeps working for up to 14 days and contains sunscreen Contains Cypermethrin, Pyrethrins, Piperonyl Butoxide, Technical and Butoxypolypropylene Glycol Available in 32 oz. ready-to-use spray, 50 oz EZ Pour and gallon EZ Pour sizes