Blendtec Stealth 895 Nitro Blending System (NBS) 2.0The Stealth Nitro Commercial Blender combines durability, power, and innovative cup to customer technology, saving time resource and money The Stealth Nitro includes a sleek sound enclosure and proprietary airflow innovations that enable operation at the sound level of a normal conversation. Why waste ingredients when you can have perfectly portioned drinks, and smoothies blended right in the cup you give your customer? The Nitro Blending System