• UP TO 22 POUNDS • For use only on dogs and puppies over 12 weeks of age. Complete control of flea, tick, and chewing lice infestations. • Kills adult fleas for up to three months. Controls mites that may cause sarcopic mange • Kills adult fleas, which may be a source of flea allergy dermatitis and flea bite anemia • Kills ticks including those that may transmit lyme disease, rocky mountain spotted fever, ehrlichiosis, babesiosis &anaplasmo • Kills brown dog ticks, american dog ticks, lone star ticks and deer ticks for up to 30 days • Remains effective after bathing, water submisssion or exposure to sunlight