- An excellent value from the K9 Advantix brand
- K9 Advantix Medium Dog 30-day treatment & prevention protects dogs 11-20 lbs. from fleas, ticks, mosquitoes, biting flies and lice
- Affordable formula works on contact to kill and repel fleas on dogs within 12 hours of application even without a bite
- Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours
- No prescription needed
