Bonide 46181 Equine Fly Spray, Liquid, Light Yellow, Characteristic, 1 gal Can
This premium formula has nearly twice the ingredients as its closest competition. Its weatherproof feature binds to hair shafts to repel and protect animals from insects, rain, dust and dirt for up to 14 days. Use as a spray, wipe on or roll on to kill and repel over 70 species of listed flying and crawling insects, on horses, ponies, foals, dogs and in and around premises. Will not harm harnesses.