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.

Hartz UltraGuard Pro Reflective Flea & Tick Pro Collar for Dogs and Puppies, 7 months Protection, 2ct: Each package contains 2 collars offering 14 months of total protection For use on adult dogs and puppies 12 weeks of age and older with necks up to 26 inches Repels and kills fleas, ticks, flea eggs and flea larvae and helps prevent flea eggs from hatching for up to 7 months