BAYER 004BAY-04458455 K9 Advantix II for Small Dogs 4 - 10 lbs, Green - 4 Months BAYER 004BAY-04458455 K9 Advantix II for Small Dogs 4- 10 lbs, Green - 4 Months EPA Est. No. 11556-DEU-1. EPA Reg. No. 11556-141