K9 Advantix II Medium Dog 2 pk by Elanco

K9 Advantix II provides comprehensive flea, tick, and mosquito prevention for medium-sized dogs weighing 11-20 lbs. This effective topical treatment from Elanco ensures your pet is protected from pests for up to 30 days per application.

• Fast-acting formula kills and repels fleas within 12 hours of application
• Protects against ticks, mosquitoes, biting flies, and lice
• Easy-to-apply, fragrance-free, and waterproof after 24 hours
• No prescription required