K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11–20 lbs. | 4-Month Supply

Keep your furry companion protected with K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention, a powerful monthly topical treatment specially designed for medium dogs weighing between 11–20 lbs. This veterinarian-recommended formula provides comprehensive protection against fleas, ticks, mosquitoes, biting flies, and lice, helping your dog stay comfortable, healthy, and itch-free all year long.

Unlike ordinary flea treatments, K9 Advantix II works through contact, meaning pests do not need to bite your dog to die. The fast-acting formula starts killing fleas within 12 hours and effectively repels mosquitoes and ticks that may carry dangerous diseases. Its waterproof protection continues working even after bathing or swimming, making it ideal for active dogs and outdoor adventures.

This 4-month supply includes four easy-to-apply topical doses that deliver long-lasting protection with a single monthly application. The fragrance-free treatment spreads naturally through your dog’s skin and coat for full-body defense without causing discomfort.

Key Features:

• Designed for medium dogs weighing 11–20 lbs.
• Kills and repels fleas, ticks, mosquitoes, biting flies, and lice
• Starts killing fleas within 12 hours
• Prevents flea infestations by killing flea eggs and larvae
• Waterproof formula for lasting protection
• Easy monthly topical application
• Vet-recommended flea and tick prevention
• Includes 4 monthly doses for continuous protection

Benefits for Your Dog:

K9 Advantix II helps reduce scratching, biting, and skin irritation caused by fleas and other pests. It also lowers the risk of tick-borne illnesses and mosquito-transmitted diseases. Whether your dog spends time indoors or outdoors, this treatment provides reliable protection throughout every season.

How to Use:

Apply one tube directly to the skin on the back of your dog’s neck once every 30 days. Ensure your dog’s coat is dry before application and avoid bathing for 24 hours after use for maximum effectiveness.

Why Pet Owners Choose K9 Advantix II:

Pet owners trust K9 Advantix II because of its fast-acting, broad-spectrum protection and easy monthly use. It offers peace of mind by defending dogs against multiple harmful parasites with one simple treatment.

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)