Durvet FlyRID Salve is an insect repellent made with essential oils to help repel ticks, biting flies, mosquitoes, and gnats. Its salve formula allows for easy, targeted application and simple clean-up. The salve creates a protective barrier against flies and biting insects and has a natural, pleasant aroma that is agreeable for both horses and handlers. Made in the U.S.A., it offers a safe and effective solution for outdoor insect protection.