Couldn't load pickup availability
Free USA Shipping on Orders Over $120
We ship all US domestic orders within 1-3 business days
Returns & Refunds Policy
30-Day Return Policy
We offer a 30-day return policy from the date of delivery.
To qualify for a return:
Non-Returnable Items
The following items cannot be returned:
Damaged or Incorrect Items
If you receive a damaged or incorrect product:
Return Shipping
Refund Processing
Once we receive and inspect the returned item:
Keep your large dog protected with K9 Advantix II for Dogs Over 55 lbs. This powerful monthly treatment helps kill and repel fleas, ticks, mosquitoes, biting flies, and lice before they become a problem.
The fast-acting waterproof formula works through contact, meaning fleas and ticks do not need to bite your dog to die. With 6 easy-to-apply doses, your dog gets long-lasting protection and comfort for up to 6 months.
K9 Advantix II provides trusted broad-spectrum protection for active dogs that spend time outdoors. Its advanced formula helps keep your dog comfortable, protected, and pest-free all year round.
Apply one full tube directly to your dog’s skin between the shoulder blades every 30 days for continuous protection.
1-How long does K9 Advantix II last?
Each dose provides up to 30 days of protection against fleas, ticks, and mosquitoes.
2-Is K9 Advantix II waterproof?
Yes, the treatment becomes waterproof after 24 hours of application.
3-Can fleas die without biting my dog?
Yes, K9 Advantix II kills fleas through contact, so they do not need to bite your dog first.
4-How often should I apply K9 Advantix II?
Apply one dose every 30 days for continuous protection.
5-Is this suitable for all dogs?
This version is specifically made for dogs weighing over 55 lbs.
