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Adventure on, pests off — an independent K9 Advantix II guide. Not Elanco, and not the brand's official site.
K9K9 Advantix II CatalogFlea & tick protection by weight band Start at the scale
K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 4-Dose
Best for trail dogs

K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 4-Dose

44,567 ratings
$57.42

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Four red-band months — the box for the dog who hikes every weekend the weather allows.

  • Four doses, one warm season
  • $14.36 per month against $17.81 in the 2-dose
  • Repels ticks in tick country before they attach
  • Waterproof through creek crossings after day one

More from Large 21–55

K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 4-Dose Shop Now