Advantage II Flea and Tick for Dogs – 11 – 20 Lbs – 4 Pack

• Kills fleas within 12 hours of application.
• Kills all flea life stages including flea eggs and larvae to prevent reinfestation.
• Safe and easy to apply.
• Waterproof – remains effective even if pet gets wet.
• Also treats prevents and controls lice infestations.

INGREDIENTS: Imidacloprid; 1-[6-Chloro-3-Pyrindinyl) Methyl]-N-Nitro-2-Imidazolidinimine Pyriproxyfen Igr And Other Ingredients