deltamethrin insecticide, has been specially formulated using patented
insecticide-release technology. Fleas on the dog will be killed
and one which are present in the dogs environment that may appear
on your dog will be killed. The Preventef Collar will also
kill ticks for up to 6 months. This collar should be worn continuously.
Reapply a new collar every 6 months.
And Tick Collar: For dogs and puppies 12 weeks and older
This product is discontinued