Vectra 3D is a vet-quality, once-a-month topical parasite treatment for dogs and puppies now available for Pet Retail. With a unique, fast-acting formula, it acts against ticks, fleas, mosquitoes and more, even before they bite. With an innovative and patented tip design, that allows for quick-and-easy application using the “line-on method”, Vectra 3D 1) kills ticks for 1 month; 2) against fleas, it starts working within 2 hours, kills within 6 hours of infestation, and prevents future infestations for 1 month; and 3) repels mosquitoes, and some other flying parasites, for 1 month. Vectra 3D monthly treatments remain effective after swimming and bathing*. Available in 4 sizes, to accommodate most popular dog sizes, each including 3 once-a-month doses. (*Swimming once per week/up to two bathings.)