New packaging same formula Contains six one-month applications of BayerAdvantageII topical flea prevention and treatment for extra-large dogs over 55 lbs Works through contact so fleas don t have to bite your dog to die Effective flea treatment kills... more
Prevents fleas on a treated cat from infesting your home Kills fleas within 12 hours of initial application Kills reinfesting fleas within 2 hours Provides waterproof protection The AdvantageII formula does not expire as long as it remains unopened... more
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