Virbac Prevendog Antiparasitic Collar, Pack 2 x 60 cm 2 units Prevendog collar against mosquitoes, sand flies and ticks Prevendog is an effective antiparasitic collar for dogs, protecting against ticks, mosquitoes, and sand flies. This new concept in medicated collars offers significant advantages for you and your furry friend. Plus, it provides up to 12 months of protection against sand flies and 6 months against ticks and mosquitoes! Forget about these pesky parasites that threaten your dogs health for a whole year and enjoy the park and countryside worry-free. The Prevendog collar uses deltamethrin as its active ingredient to keep insects away and prevent infestation. Its advanced technology allows for slow and continuous release throughout the body for effective and longer-lasting protection. This innovative, fragrance-free gray collar features an anti-strangulation safety system, is elastic for greater comfort, and has a triple-lock system that allows for quick opening if needed. Deltamethrin works by contact, protecting against ticks and mosquitoes for 6 months and against sand flies for 12 months. Buying a pack of two collars offers protection at a much more affordable price. Its the best way to combat the dreaded leishmaniasis, transmitted by sand flies; filariasis (heartworm), transmitted by mosquitoes; and Lyme disease, spread by some ticks. CHARACTERISTICS Anti-parasite collar for small and medium dogs. Protection against ticks, mosquitoes and sand flies. Elastic, smooth and secure collar. Triple anti-strangulation locking system. With 4% deltamethrin. Continuous release. Fragrance-free. 12 months protection against sand flies and 6 months against ticks and mosquitoes. Occasional contact with water does not reduce its effectiveness. It prevents Leishmania. USAGE AND SPECIFICATIONS Antiparasitic collar for small and medium-sized dogs from two months of age and up to 25 kg in weight for protection against ticks, mosquitoes and sand flies. Not suitable for puppies under 7 weeks of age, dogs with hypersensitivity, skin lesions, or cats. If your dog experiences any type of reaction (itching, irritation, hair loss), remove the collar. Instructions for use: Separate the protective strip from the collar and place it around the neck. Hold the main closure between your thumb and forefinger and press through the other end. Press the main clasp and pass the entire collar through, adjusting it to a couple of fingers so that it is not too tight. Repeat the action by passing the necklace through the second and third clasps. Cut off the excess part, leaving about 6 cm in case you need to enlarge it. Composition Necklace 60 cm (26.40 g): deltamethrin 1.056 g. Format The 60cm collar fits necks up to 48cm 1 necklace of 60 cm 2 necklaces of 60 cm