The Evolution 200 with it’s three stage grind technology & SoundSealTM Plus, makes it our most powerful & quietest model. Don’t worry about what you can and can’ t grind... the Evolution 200 grinds all food waste. SoundSeal PlusTM Evolution Ultra-Quiet Technology. MultiGrind PlusTM 3 Stage Stainless Grinding System with Auto Reverse Action. Largest Capacity (1180ml) Stainless Steel Grinding Chamber. Micro Processor delivers more power to boost the grinding capability. Built-in Air Switch (33mm hole for button). Built-in Air Switch (33mm hole for button). Coloured air switch cover upgrades available (as pictured). 0.75HP Dura-DriveTM Heavy Duty Induction Motor. QuickLockTM Sink Mount for easy installation. 10 Year Warranty. Made in the USA.