Preventic Tick Collar 25" for Dogs Over 60lbs - Pack of 2 kills and detaches ticks. As long as your pet is wearing the collar, prevention lasts for up to three months. Preventic Tick Collars also prevent new ticks from attaching and feeding within 48 hours after application. It contains amitraz, an ingredient that kills and detaches ticks for up to 90 days, including the Amercian Dog Tick, Brown Dog Tick, Lone Star Tick and the Deer Tick (the major carrier of Lyme disease).
- Contains amitraz to kill and detach ticks for up to 90 days
- Kills ticks carrying tick-borne diseases such as Lyme Disease and Rocky Mountain Spotted Fever
- Reaches full effectiveness within 48 hours of application
- Over 97% effectiveness against ticks for up to three months
- Water resistant
- Safe when used as directed