BAYER K9 ADVANTAGE II FLEA TRT DOGS 55LB & UP 4PK
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Advantage II kills fleas at all life stages. Fleas are killed within 12 hours, and to protect against further infestations, reinfesting fleas are killed within 2 hours. Advantage II works through contact, so fleas don’t have to bite to die. One convenient waterproof application of Advantage II lasts for one month. Formulated to treat dogs weighing over 55 lbs. Contains four monthly treatments.