K9 Advantix for dogs protections against fleas, ticks and mosquitoes. K9 Advantix continues to protect your canine after swimming or bathing. Its once-a-month application is easy and convenient. Fleas, ticks, and mosquitoes can carry can carry West Nile virus and other dog disease. K9 Advantix Blue, Red, Green, and Teal cover all dogs from 10 lbs to over 55 lbs. Buy discount K 9 Advantix for maximum flea & tick control this season.