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11 - 20 lbs
21 - 55 lbs
55 - and above

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Product Info

Advantage II is an easy way to prevent flea and tick infestation in dogs. This once-a-month, waterproof medicine begins to work in 12 hours of application. It kills ticks and adult fleas, larvae, and eggs through direct contact and remains on the skin of your pet even if the pet gets wet.