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. Compare to leading brand, Seresto. Vetality Avantect II provides Vet Quality Protection, but COSTS LESS. * (2) Sizes available * Kills fleas, flea eggs & ticks * Breaks the flea cycle killing all stages of fleas. Stops flea reinfestation * Repels mosquitoes for 6 months * Waterproof * Vet Quality Protection, but COSTS LESS! * Long Lasting: 12 months of protection with two collars Please note that the product information displayed is provided by manufacturers, suppliers and other third parties and is not independently verified by Playful Tail.