Zodiac Flea & Tick Collar for Large Dogs (5 Months)
Zodiac's affordable dog collars offer fast-acting, long-lasting protection from fleas and ticks. They are convenient to use and go wherever your pets do.
Specially sized and formulated for large dogs (necks up to 25")
Kills fleas and ticks (including those carrying Lyme disease) for up to 5 months
Provides continuous killing action, even when wet
Fast acting for fleas
Propoxur (CAS #114-26-1).....10% Other Ingredients: .....90%