Program for Dogs 21-45 lbs

-->Effective flea control that lasts 6 monthsEasy to administer oral flea preventiveGuaranteed USA Program supplierFlea control product prevents?eggs and larvae?from maturing into adults Oral control that prevents immature forms of fleas from becoming fertile adults. Simply give your dog a tasty treat with a meal once a month and let the IDI (Insect Development Inhibitor) lufenuron do its work. Can be used in combination with flea adulticide (such as Frontline Top Spot) to kill existing adult fleas. Package contains six doses. For dogs over six weeks old.Looking for Program for Cats?Please click on "More Information" for ingredients and dosage.