Frontline Plus for Medium Dogs Flea and Tick Treatment, 23 lb. to 44 lb., Three .045 oz. Doses, 710035020003 at Tractor Supply Co.
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Amazon.com : Frontline Plus Flea and Tick Treatment for Dogs (Medium Dog, 23-44 Pounds, 3 Doses) : Pet Flea And Tick Repellents : Pet Supplies
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