Hartz Ultra Guard Plus Flea & Tick Drops for Dogs and Puppies 16-30lbs. The Pro-cision Flo™ applicator (patent pending) easily penetrates the fur for improved application direct to your dog’s skin. This is a monthly treatment that kills fleas, ticks, mosquitoes and flea eggs, plus repels fleas and ticks for up to 30 days to keep your pet pest free.
