Bayer Advantage II Liquid Dog Flea Drops Imidacloprid/Pyriproxyfen 0.14 oz.With Bayer Advantage II Liquid Dog Flea Drops, you can put an end to the agony of biting fleas! These easy to apply monthly flea control drops kill fleas through contact, so they don't have to bite your dog to die. These pesky insects carry several diseases, including flea anemia, and if left untreated, your pet can become anemic too. Bayer flea drops kill fleas at both the adult and larval stages, disrupting the flea life cycle and reducing flea