CrossBlock

CrossBlock II for Cats is a topical flea treatment for cats that kills adult fleas as well as their eggs and larvae. It contains imidacloprid and pyriproxyfen, and start killing fleas within 2 hours...

CrossBlock II is a topical flea treatment for dogs that kills adult fleas as well as their eggs and larvae. It contains imidacloprid and pyriproxyfen, and start killing fleas within 2 hours and...

CrossBlock II is a topical flea treatment for dogs that kills adult fleas as well as their eggs and larvae. It contains imidacloprid and pyriproxyfen, and start killing fleas within 2 hours and...

CrossBlock II is a topical flea treatment for dogs that kills adult fleas as well as their eggs and larvae. It contains imidacloprid and pyriproxyfen, and start killing fleas within 2 hours and...