K9 Advantix Flea Treatment for Dogs 21-55 lbs, 4 Pack. Advantix repels and kills mosquitoes before they can bite. The vector of West Nile Virus, mosquitoes are a growing concern. Research demonstrates K9 Advantix kills up to 98.3% of mosquitoes and reduces their feeding up to 95.2%. Mosquitoes that don't bite can't annoy dogs or transmit disease. Do not use on cats.
