Vetality Avantect II Flea and Tick for Dogs - Large - 21 - 55 Lbs

• Repels and kills fleas flea eggs ticks and mosquitoes
• Repels biting flies and kills lice
• Kills existing fleas on dogs within 12 hours
• Contains imidacloprid permethrin and pyriproxyfen the active ingredients found in k9 advantix ii for dogs