Hartz offers the finest quality pet supplies so pets will live a healthier, happier and longer life. Hartz Pet Products provides products that make relationships more rewarding and fun, including Hartz Flea, Hartz flea & tick, Hartz flea drops and Hartz flea control. Hartz will develop and apply new ideas and technologies to give you and your pet the finest quality pet supplies - so your pet will live a healthier, happier, and longer life.