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CrossBlock II Flea Preventative for Dogs & Puppies 21-55 LBS

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Vet One Animal Health 620108 CrossBlock II Flea Preventative for Dogs & Puppies 21-55 LBS

Item #: 620108 by Vet One Animal Health

UPC #: 313985014185

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  • Kills adult fleas and prevents further re-infestation on dogs
  • Kills re-infestation fleas within 2 hours
  • Breaks the flea life cycle and prevents flea eggs and larvae from developing into adult fleas
  • Waterproof after application
  • Effective for one month
  • 3 Doses
CrossBlock II for Dogs and Puppies treats and prevents flea infestation on dogs and puppies 7 weeks of age and older. Active ingredients include: Imidacloprid 9.10% and Pyriproxyfen 0.46%.