Preventic Collar for Dogs, 18 inch provides continuous protection against ticks for up to three months. Preventic Tick Collars start working within 24 hours, and the Amitraz in the collar paralyzes the tick's mouth to keep it from feeding.
- Prevents the transmission of Lyme disease and other tick-borne illnesses
- 18-inch collar fits dogs up to 60 lbs.
- Not associated with side effects
- Manufacturer information and usage