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• Four month supply: Repels & kills fleas, flea eggs, ticks & mosquitoes. Repels biting flies and kills lice
• Contains imidacloprid,permethrin and pyriproxyfen-the active ingredients found in K9 Advantix II for dogs
• Waterproof
• DO NOT use on Cats - May be fatal
• This product is not manufactured or distributed by Bayer, the maker of K9 Advantix® II for dogs. K9 Advantix®II for Dogs is a registered trademark of Bayer