A long lasting, sweat- and water-resistant spot-on repellent, Farnam® Equi-Spot® for horses provides protection against flies and other insects. 3-10 ml vials; 2-weeks protection each.
An effective fly repellent for horses, Freedom 45 Spot-On kills and repels flies, ticks, gnats, including mosquitoes that carry the West Nile Virus. 45% permethrin. Lasts 14 days. 9 ml vials (12-week supply).