K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 6-Month Supply

Give your large dog complete protection from harmful pests with K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention, a powerful veterinarian-recommended topical treatment specially formulated for dogs weighing over 55 lbs. This advanced monthly treatment helps protect your dog from fleas, ticks, mosquitoes, biting flies, and lice, keeping your pet comfortable, healthy, and protected year-round.

K9 Advantix II works through contact, meaning fleas and ticks do not need to bite your dog to die. The fast-acting formula starts killing fleas within 12 hours while also repelling mosquitoes and ticks that may carry dangerous diseases. Its waterproof protection continues working even after bathing, swimming, or outdoor play, making it ideal for active large-breed dogs.

This convenient 6-month supply includes six easy-to-apply topical doses that provide long-lasting monthly protection. The fragrance-free formula spreads naturally across your dog’s skin and coat for full-body defense without causing discomfort.

Key Features:

• Designed for XL dogs weighing over 55 lbs.
• Kills and repels fleas, ticks, mosquitoes, biting flies, and lice
• Starts killing fleas within 12 hours
• Prevents flea infestations by eliminating flea eggs and larvae
• Waterproof formula for long-lasting protection
• Easy monthly topical application
• Vet-recommended flea and tick prevention
• Includes 6 monthly doses for extended protection

Benefits for Your Dog:

K9 Advantix II helps reduce itching, scratching, and skin irritation caused by parasites while lowering the risk of tick-borne and mosquito-transmitted diseases. Whether your dog spends time indoors or outdoors, this treatment delivers dependable protection in every season.

How to Use:

Apply one tube directly to the skin on the back of your dog’s neck once every 30 days. Use on dry skin and avoid bathing your dog for 24 hours after application for best results.

Why Dog Owners Choose K9 Advantix II:

Pet owners trust K9 Advantix II because of its fast-acting formula, broad-spectrum protection, and easy monthly use. It provides reliable defense against multiple pests with one simple application, helping dogs stay active and healthy.

We aim to ship all orders quickly and efficiently. Please read our shipping guidelines below.

Order Processing Times

• Order Cutoff: Monday – Friday, 9AM to 6PM (PST)
• Handling Time: 3–4 business days
• Transit Time: 5–6 business days

Delivery Estimates

Standard Shipping: 8–10 working days (processing + transit)

Delivery times may vary due to location, weather, and courier delays.

Tracking Your Order

Once shipped, you will receive a tracking ID via email within 24 hours. You can monitor your delivery status in real time.

Lost or Stuck Orders

If your order is:

• Lost
• Returned to sender
• Stuck in customs

We will investigate and arrange a replacement with full tracking.

Shipping insurance is included for all orders.

Shipping Restrictions

We currently do not ship to:

• PO Boxes
• APO/FPO addresses

A physical address must be used at checkout.

Couriers Used

We partner with reliable carriers including:

• DHL
• FedEx
• USPS
• UPS

If your parcel shows “on hold” or delivery attempts fail, it is the customer's responsibility to coordinate with the courier.

Taxes & Customs Duties

All prices are listed in USD and exclude taxes/duties. Import fees depend on your country and are payable by the customer upon delivery.

Customer Support

For shipping inquiries:

Phone: +1 (526) 488-5239
Email: support@martinpetstore.com
Hours: Monday – Friday, 9AM–6PM (PST)