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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 Extra Large Dogs Over 55 lbs., 2-Dose
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K9 Advantix II Flea & Tick Topical for Extra Large Dogs Over 55 lbs., 2-Dose

49,454 ratings
$35.62

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The blue band's short box — two months of cover for the dogs who treat fences as suggestions.

  • Two doses for dogs over 55 lbs
  • The line's highest-rated band: 4.5 across 49,454
  • Dose splits along the back per label marks
  • Same 12-hour flea knockdown at any size

More from XL 55+

K9 Advantix II Flea & Tick Topical for Extra Large Dogs Over 55 lbs., 2-Dose Shop Now