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CrossBlock II Flea Treatment for Dogs & Cats

(1 customer review)


SKU: CROSS Manufacturer: MWI

CrossBlock II is a topical medication that treats and prevents flea infestations on dogs and puppies 7 weeks of age and older and on cats and kittens 8 weeks of age and older. Kills adult fleas as well as their eggs and larvae. Starts killing fleas within 2 hours and continues to work for one full month of protection. CrossBlock II also prevents re-infestation of fleas by breaking the life cycle and preventing fleas from reproducing. Waterproof formula with easy open, individual dose applicators. Apply to the back of the neck area.

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

Generic equivalent for Advantage II®. (Advantage II® is a registered trademark of Bayer)


1 review for CrossBlock II Flea Treatment for Dogs & Cats

  1. Elise

    I have a yorkie very old and this is the best I have found that works for her. I have to renew it every 3 weeks. I live on a farm and my other 6 dogs use it to. I aware by this product.

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Ingredients / Material
  • Imidacloprid 9.10% and Pyriproxyfen 0.46%

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