K9 Advantix II Large Dog Flea, Tick & Mosquito Treatment (21-55 lbs) 6-Mo
Vet-recommended flea, tick & mosquito treatment for large dogs 21-55 lbs. Protects against fleas, ticks, mosquitoes, biting flies and lice with contact killing. Customer insight: mixed opinions on effectiveness and value
Highlights
- kills fleas within 12 hours
- protects against multiple pests
- vet-recommended formula
Pros
- combats multiple pests
- kills fleas within 12 hours
- vet-recommended formula
- contact-kill prevents bites to die
- long-lasting 6-month supply
Cons
- mixed effectiveness in reviews
- some report skin reactions
- durability varies across users
Best For
Features
- Protects dogs 21-55 lbs for 30 days from fleas, ticks, mosquitoes, biting flies, and lice
- Kills fleas within 12 hours of application and repels on contact
- Vet-recommended topical treatment that is fragrance-free and waterproof after 24 hours
- Easy-to-apply formula requires no prescription