Preventic Collar for Dogs, 25 inch kills ticks for up to 3 months, causing them to detach before they are able to transmit diseases to dogs. The Preventic collar also treats demodex (demodectic mange) in dogs. By preventing tick bites, you can protect your dog from Lyme disease and rickettsia.

• Kills and detaches ticks before they can transmit disease-causing microorganisms
• Also recommended as a demodex (demodectic mange) treatment
• Unaffected by rain
• Manufacturer information and usage

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