The Seresto Large Dog collar works to kill pests on contact within 24 hours of application, eliminating them before they bite your dog or lay new eggs.Seresto Large Dog collars are for dogs at least 7 weeks old.
Vet-recommended, premium flea & tick protection for dogs & puppies without the price tag
Long-lasting flea collar kills & repels fleas for 8 continuous months
Seresto is the #1 selling non-prescription flea & tick brand, stocked by 8,000 vet clinics (Elanco Animal Health, data on file)
Starts working within 24 hours to kill & repel fleas by contact so pests don’t have to bite your dog to die
Hassle-free, non-greasy, easy-to-use flea & tick protection