VM Innovations via eBay offers the refurbished Ninja Multi Cooker 4-in-1 6-Quart Digital Cooking System in Stainless for $79.99. In cart, that drops to $67.99. With free shipping, that's $55 under the lowest price we could find for a new unit. Buy Now Tips 90-day Ninja warranty included Features removable cook bowl w/ nonstick coating timer and temperature control dishwasher safe Model: MC900