Vetality Avantect II offers vet quality protection in a flea and tick collar with active ingredients, Deltamethrin & Pyriproxyfen. Kills fleas, flea eggs, ticks and repels mosquitoes. Breaks the flea cycle killing all stages of fleas. Continuous 12 months protection with two waterproof collars. Compared to leading brand, Seresto. Vetality Avantect II provides Vet Quality Protection, but COSTS LESS.