The Superior model is ideal for Private Breeders and Small Kennel owners up to 8 dogs. It can be used by the larger breeds from Chihuahua to, for example Afghan Hound, Saluki, Boxer, Samoyed, German Shepherd, Alaskan Malamute, Pointers, Rhodesian Ridgeback to name a few up to 74cms at the shoulder. It has the major benefits of the incline and decline feature. This is only available from Fit Fur Life. The Superior model has the very fine speed control adjustable in 0.1km increments. And the incline and decline are adjustable in single increments. Like the Medium and Small models it has the option of folding away for easy storage in the home or kennel. Shown Here with our 'Incline Podz' to increase the incline by up to 50%. these are available seperately in packs of 4.