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🐾 Protect your big buddy fast — because they deserve the best!
K9 Advantix II XL is a vet-recommended, topical flea, tick, mosquito, biting fly, and lice treatment designed for dogs over 55 lbs. It kills fleas within 12 hours and provides waterproof protection after 24 hours. This fragrance-free formula requires no prescription and comes in a convenient 4-month supply, ensuring your large dog stays pest-free with easy monthly applications.













| ASIN | B004QREOPU |
| ASIN | B004QREOPU |
| Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen |
| Age Range Description | 7 weeks and older |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #143 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Dog Flea Drops |
| Brand Name | K9 Advantix |
| Customer Reviews | 4.5 4.5 out of 5 stars (48,742) |
| Date First Available | October 5, 2004 |
| Department | Unisex-Adult |
| Dog Breed Size | Large |
| Global Trade Identification Number | 00724089204103 |
| Included Components | 4 |
| Is Discontinued By Manufacturer | No |
| Item Form | Topical |
| Item Type Name | Topical |
| Item Weight | 0.1 Pounds |
| Item model number | 86315017 |
| Manufacturer | Elanco US Inc |
| Manufacturer | Elanco US Inc |
| Manufacturer Part Number | 86315017 |
| Model Number | 86315017 |
| Product Dimensions | 1.38 x 4.38 x 4.75 inches; 1.6 ounces |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 724089204103 |
| Unit Count | 4 Count |
| Volume | 16 Milliliters |
| Warranty Description | No_warranty |
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