![Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else](https://m.media-amazon.com/images/I/810bydb3imL._AC_SS450_.jpg)
Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else
![Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else](https://m.media-amazon.com/images/S/aplus-media-library-service-media/0416b455-5842-487e-acb5-5edeb1e5cffe.__CR196,249,831,831_PT0_SX300_V1___.jpg)
Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else
![Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else](https://m.media-amazon.com/images/S/aplus-media-library-service-media/e4530ecb-ea80-45ef-b234-6b7dc33fb4c8.__CR0,0,970,300_PT0_SX970_V1___.jpg)
Amazon.com: K9 Advantix II Flea and Tick Prevention for Medium Dogs (11-20 Pounds), 1 Pack : Everything Else
![Amazon.com : Advantix II K9 - 6-Month Treatment for Extra Large Dogs Over 55 lbs -- 6 Tubes by K9 Advantix II : Pet Supplies Amazon.com : Advantix II K9 - 6-Month Treatment for Extra Large Dogs Over 55 lbs -- 6 Tubes by K9 Advantix II : Pet Supplies](https://m.media-amazon.com/images/I/7146+nhLmtL._AC_SY679_.jpg)
Amazon.com : Advantix II K9 - 6-Month Treatment for Extra Large Dogs Over 55 lbs -- 6 Tubes by K9 Advantix II : Pet Supplies
![Amazon.com: K9 Advantix II Flea and Tick Prevention for Extra-Large Dogs 4-Pack, Over 55 Pounds : Everything Else Amazon.com: K9 Advantix II Flea and Tick Prevention for Extra-Large Dogs 4-Pack, Over 55 Pounds : Everything Else](https://m.media-amazon.com/images/I/81fzAlD+7XL._AC_SL1500_.jpg)