Vetality Avantect II Collar for Dogs provides your dog with high-quality flea and tick protection for an entire year. Avantect collars kill fleas, flea eggs, and ticks while also repelling mosquitoes!? Compared to Soresto collars Avantect Collars for Dogs offers protection from more bugs! Our Deltamethrin Pyriproxyfen blend will keep your dog bug free year-round! High-quality flea and tick protection that lasts an entire year|Kills fleas, flea eggs, and ticks while also repelling mosquitoes|Offers protection from more bugs than Soresto collars|Deltamethrin Pyriproxyfen blend