Kills For 5 Months

The Hartz® 2 in 1® Flea & Tick Collar For Dogs will kill ticks, including the Deer Tick, which may carry Lyme disease for five months under normal conditions.

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Product Review

Kills For 5 Months

The Hartz® 2 in 1® Flea & Tick Collar For Dogs will kill ticks, including the Deer Tick, which may carry Lyme disease for five months under normal conditions.



  • Fresh scented
  • Kills and repels fleas and ticks for 7 months. Can be worn simultaneously with your dog's regular collar
  • Water-resistant design won't cause loss of effectiveness if your playful pup takes a stroll in the rain
  • Fits dogs with necks that measure up to 20 inches
  • For use on adult dogs and puppies 12 weeks of age and older
  • Do not use this product on dogs simultaneously or within 30 days before or after treatment with or exposure to cholinesterase inhibiting drugs, pesticides, or chemicals. However, flea and tick collars may be immediately replaced.