Absorbine 429501 UltraShield Green Natural Fly Repellent Horse Spray, 32 OzFeatures an eco safe formula thats safe for the entire family and the environment. Backed by the power of geraniol and six fly fighting natural oils, you can use UltraShield Green natural fly spray for horses on ponies, foals, and dogs. Size: 32 Oz Repels and controls biting flies, mosquitoes, and gnats Proven to work for up to eight hours Contains seven essential oils known for their repellent qualities For use on horses, ponies, foals, and dogs The