Effective tick collar kills and detaches ticks for up to 3 monthsPreventic tick dog collar works on pups over 12 weeks of ageHelps protect your dog from Lyme disease and moreContains Amitraz to help protect your dog from life-threatening diseases transmitted by ticks, including Lyme disease and Rocky Mountain Spotted Fever. Prevents attachment of ticks, and provides a full three months of protection. For dogs only, over 12 weeks old.Active Ingredients: Amitraz 9.0 percent.Amitraz spreads over your dog in the oil of its skin and haircoat where its activity starts within 24 hours to detach and kill existing ticks on your pet. Amitraz continues to prevent attachment and feeding and kills new ticks that may climb onto your pet for up to 90 days. The collar and its active ingredients are not affected by normal wetting such as rainfall, however it is suggested the collar be removed before bathing. This collar should be replaced when new ticks are seen to persist on your pet. For optimal efficacy for tick control and prevention you should replace the collar every 3 months.Preventic Collars are available in two sizes: 18" collar: for dogs up to 60 lbs. 25" collar: for dogs over 60 lbs.Please click on "More Information" for directions and ingredients.

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