Spot on-Flea and Tick Control for Dogs 16-30 lbs
Bio Spot On for Dogs kills and repels fleas for up to 3-4 weeks. Kills flea eggs and larvae for up to 4 months. Kills and repels ticks for up to 4 weeks. Also protects against blood feeding by mosquitoes.
Permethrin 45%, Pyriproxyfen 5%, Other Ingredients 52%