ihocon: Vitamix Standard Programs Certified Reconditioned BlenderGroupon 推出 Vitamix Standard Programs Certified Reconditioned Blender(價值 $649.99), 只賣 $349.99, 免運費 這台的型號, 根據Groupon的回答: “These are from the 6300 series, now called the “Classic” or “C” series. The Vitamix Standard Programs Certified Reconditioned Blender label may reflect the following: Professional Series® 500 or 6300. Reconditioned models in this series are: Black 1888, White 1889, Red 1890 & Platinum 1891”