

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.
🛡️ Keep your best friend bite-free and thriving—because every dog deserves premium protection!
Bayer K9 Advantix II is a topical flea, tick, and mosquito prevention treatment designed for large dogs weighing 21-55 lbs. It delivers fast-acting, contact-based pest control that starts killing fleas within 12 hours and provides waterproof protection for up to 30 days. This 6-month supply is veterinarian-recommended and offers broad-spectrum defense, including mosquito repellent benefits not commonly found in similar products.













| ASIN | B004QN0M2S |
| Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen |
| Best Sellers Rank | #48,688 in Pet Supplies ( See Top 100 in Pet Supplies ) #62 in Dog Flea Drops |
| Brand Name | K9 Advantix |
| Customer Reviews | 4.6 4.6 out of 5 stars (11,294) |
| Global Trade Identification Number | 00724089204028 |
| Item Form | Topical |
| Item Weight | 9 g |
| Manufacturer | K9 Advantix |
| Manufacturer Part Number | 86315092 |
| Model Number | 86315092 |
| Target Species | Cat, Dog |
| UPC | 724089204028 |
| Unit Count | 6 Count |
| Volume | 1 Quarts |
Trustpilot
4 days ago
3 days ago