K9 Advantix II Flea & Tick Treatment for Dogs Over 55 lb – 2 Doses (2-Month Supply)

Protect your dog from more than just fleas. K9 Advantix II for Dogs Over 55 lb provides broad-spectrum protection against fleas, ticks, mosquitoes, biting flies, and lice—all in an easy-to-apply monthly topical treatment.

This vet-recommended formula kills and repels pests on contact, so fleas don’t have to bite your dog to be eliminated. It starts working within hours of application and continues protecting for up to 30 days per dose. The fragrance-free formula is waterproof after 24 hours, making it a dependable option for active dogs who spend time outdoors.

With no prescription required, K9 Advantix II is a simple, effective way to help keep your dog comfortable and protected all season long.

Key Benefits

• For dogs over 55 lb

• Kills and repels fleas, ticks, mosquitoes, biting flies, and lice

• Starts working within hours

• Kills fleas on contact—no biting required

• Fragrance-free topical application

• Waterproof after 24 hours

• No prescription needed