Say goodbye to fleas and ticks with the Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs & Puppies up to 26-inch necks. This dog collar kills fleas, ticks, flea eggs, and flea larvae through contact while preventing flea eggs from hatching. The water-resistant design remains effective during swim time or playtime in the rain. Keep your pup safe with the collar's reflective technology that reflects direct light up to 450 feet. For continuous flea and tick protection under normal conditions, replace the collar every 7 months. Do not use on puppies less than 12 weeks of age.

Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from hatching for 7 months. Can be worn simultaneously with your dog's regular collar Fits dogs with necks that measure up to 26 inches For use on adult dogs and puppies 12 weeks of age and older