Preventic Tick Collar

Preventic Tick Collar for Dogs by Virbac contains 9% Amitraz to kill ticks on dogs. Begins working within 24 hrs and lasts up to 3 months. For use on dogs 3 months or older. Fits neck sizes up to 25". Do not use on cats. NOTE: Do not use these collars on puppies under 12 weeks of age.

Preventic collars are not for sale in California.