advantage II OVER 55 lbs BLUE box 4 ct

Advantage II for Dogs is a topical formula used to treat and prevent flea infestations. Ingredients such as Imidacloprid (adulticide) and Pyriproxyfen (insect growth regulator) work to inhibit flea life cycles and prevent worsening infestations within twelve hours of administration. Flea and lice prevention with Advantage II gives your dog a safe solution that only needs to be applied once a month.