K9 Advantix II Flea Tick & Mosquito Treatment for Large Dogs 21–55 lbs 2 Pack of 6 Month Supply

Keep your dog protected from biting pests all year long with K9 Advantix II Large Dog Flea, Tick & Mosquito Treatment, a vet-recommended monthly topical solution formulated for dogs weighing 21–55 lbs. This value 2-pack includes two 6-month supplies (12 monthly applications total), delivering up to 12 months of continuous protection against fleas, ticks, mosquitoes, biting flies, and lice.

Powered by Imidacloprid, Permethrin, and Pyriproxyfen, K9 Advantix II provides fast-acting, broad-spectrum protection by killing and repelling parasites on contact, so fleas and ticks don't have to bite your dog to die. The advanced formula begins killing fleas within 12 hours while breaking the flea life cycle by eliminating flea eggs and larvae to help prevent reinfestations.

Each easy-to-apply topical treatment provides 30 days of protection and becomes waterproof after 24 hours, making it ideal for active dogs. Suitable for dogs and puppies 7 weeks of age and older, K9 Advantix II offers reliable, prescription-free parasite protection throughout every season.

✨ Product Features

✅ Brand New & Authentic
✅ 2 Pack (12 Monthly Doses Total)
✅ Up to 12 Months of Protection
✅ For Large Dogs 21–55 lbs
✅ Suitable for Dogs & Puppies 7 Weeks and Older
✅ Vet-Recommended Flea, Tick & Mosquito Protection
✅ Kills Fleas Within 12 Hours of Application
✅ Kills & Repels Fleas, Ticks, and Mosquitoes on Contact
✅ Eliminates Flea Eggs, Flea Larvae, Biting Flies & Lice
✅ Helps Break the Flea Life Cycle to Prevent Reinfestations
✅ One Monthly Application Protects for Up to 30 Days
✅ Waterproof After 24 Hours
✅ Easy-to-Apply Topical Formula
✅ Fragrance-Free
✅ No Prescription Required

🐶 Active Ingredients

• Imidacloprid
• Permethrin
• Pyriproxyfen

💖 Why You'll Love It

K9 Advantix II offers comprehensive protection against a wide range of biting pests in one convenient monthly treatment. Its contact-kill formula works quickly to eliminate parasites before they bite, while providing long-lasting waterproof protection to help keep your dog comfortable, healthy, and protected year-round.

📦 Package Includes

• 2 × K9 Advantix II Large Dog Treatments
• 12 Monthly Topical Applications Total (2 × 6-Month Supply)
• For Dogs 21–55 lbs
• Suitable for Dogs & Puppies 7 Weeks & Older

📦 Fast Shipping
🔒 Secure Packaging
💯 Genuine Product

🌟 Give your dog complete, vet-recommended protection with K9 Advantix II Flea, Tick & Mosquito Treatment—powerful monthly defense against fleas, ticks, mosquitoes, biting flies, and lice.