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The Vitamix 12-Cup Food Processor Attachment turns an Ascent or Venturist series Vitamix blender base into a full food processor. It adds a 12-cup work bowl, a feed tube and a slicing and shredding disc setup, so one motor handles blending and prep. The bowl and parts are dishwasher safe, and the unit measures about 8.5 by 11.75 inches at the base and 12.75 inches tall. The best new price is $279.95 at Best Buy as of November 7, 2026, with three stores listing it new.
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Lowest price we've seen: $279.95 on Nov 7 at Best Buy. Tracked across 3 stores since Nov 7.
Owners of compatible Vitamix bases like the convenience of one motor doing blending and food prep, and most find chopping, slicing and shredding consistent. The main complaints are the price and the dependence on a specific blender series.