Large 21–55
K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 4-Dose
A weekend hiker's whole season, boxed.
3 box sizes$57.42
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Best red-band starter
K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 2-Dose
$35.62
Price set by the retailer and may change.
Shop NowThe red band's short box — two months for the spaniels-through-labs range, the widest band on the label.
- Two doses for the 21–55 lb range
- The widest band — covers most family dogs
- 44,567 pooled ratings across the red family
- Fleas dying within 12 hours of each dose
More from Large 21–55
Large 21–55
K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 6-Dose
July never catches this house empty-handed.
3 box sizes$79.97
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K9 Advantix II Flea & Tick Topical for Large Dogs 21–55 lbs., 2-Dose
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