Advantage® II for Dogs For the prevention and treatment of flea infestations on dogs. Kills 98-100% of fleas within 12 hours. One treatment prevents further flea infestation for at least four weeks. Kills fleas before they lay eggs. For dogs 7 weeks and older, and 21-55 lbs. 6 Pack.
***PESTICIDES CANNOT BE SHIPPED TO THE STATE OF CALIFORNIA***