Elanco Seresto Large Dog 18lbs and over flea collars will have a
performance you expect from topicals, in a collar! The Seresto Flea and Tick
Collar provides 8 months of prevention and treatment against fleas and ticks
for dogs and puppies 7 weeks of age and older. Contains 4.5% flumethrin and 10%
imidacloprid. The Seresto Collar's unique polymer matrix ensures that active
ingredients are released slowly and continuously in low concentrations. Collar
should be worn continuously; no need to remove for bathing or swimming.
Seresto collar kills fleas on dogs within 24 hours and prevents tick infestations
within 48 hours. Seresto collar prevents re-infesting and repels ticks as
quickly as 6 hours. Seresto collar kills
chewing lice for 1 month. Seresto collar
aids in the treatment and control of Sarcoptic mange.