FURminator for Medium and Large Cats with Long Hair - Japanese Version - Authentic With Serial Number Includes Original Case and Instructions FURminator for Cats Long Hair Type - FURminator - Size L For Large Cats (approx. 4.5 kg and over) This is an authentic product sent directly from FURminator, as the pet shop did not have the large size in stock. This is the latest model. Although unused, it has been on display for a while. Wiped with disinfectant wipes.