Absorbine UltraShield EX Insecticide Fly Spray Waterproof 17 Days GallonAbsorbine UltraShield EX Fly Spray is Absorbines most advanced ready to use insect control formula for horses, ponies, dogs, barns, and on premise use. Powered by UltraBond Technology, this weatherproof water based spray helps kill and repel 70+ species of pests, including flies, mosquitoes, ticks, and gnats, for up to 17 days. It also contains multiple sunscreens and coat conditioners for added outdoor protection and grooming support. Key Bullet