Dog Spot Treatment for 11–20 lb Dogs, Monthly Flea, Tick and Mosquito Control, Four-Dose Supply

Keep your medium dog protected from common biting pests through a simple monthly routine. K9 Advantix II is a topical treatment for dogs weighing 11–20 lbs, targeting fleas, ticks, mosquitoes, biting flies and lice while supporting a more comfortable daily life indoors or outside.

The treatment works through contact, so fleas, ticks and mosquitoes do not need to bite your dog to be affected. Each four-dose supply covers four monthly applications, making ongoing protection easier to plan.

Key Features

• Starts killing fleas within 12 hours, providing fast action when your dog needs relief from an active flea problem.
• Kills flea eggs and larvae to prevent infestations, supporting a cleaner, more comfortable routine for your dog.
• Repels and kills ticks and mosquitoes, reducing your dog’s exposure to these biting pests during everyday outdoor time.
• Waterproof protection continues after bathing or swimming, so active dogs can keep enjoying their usual adventures.
• The fragrance-free topical formula spreads through the skin and coat, delivering full-body coverage without adding a noticeable scent.
• One dose is applied every 30 days, keeping the protection schedule straightforward for busy pet parents.

Specifications

• Brand: K9 Advantix II
• Product form: Topical treatment
• Dog weight: 11–20 lbs.
• Target pests: Fleas, ticks, mosquitoes, biting flies and lice
• Supply: 4 monthly doses
• Application frequency: Once every 30 days
• Application area: Skin on the back of the neck
• Application condition: Coat must be dry
• Bathing guidance: Avoid bathing for 24 hours after application
• Formula: Fragrance-free and waterproof
• Available pack options: pack of 1, pack of 2 and pack of 3

Choose the pack size that suits your household, then apply one tube on schedule each month. Consistent application gives your medium dog reliable pest protection without complicating the care routine.