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Title: Bought 3 of these over 2 months...all non-functional!!!!
Review: Well understand I am a BIG fan of Vacu Vin prodcuts..but they lost the formula on this one. I have had 3 of these Concertos and ALL of them have had the pump arm freeze (lock up with no movement in both directions) within 2 weeks of owning them. When they worked they did the job and the new "click" feature seemed to be a real winner.... But needless to say the design is a real junker and needs major re-design. I would use the standard Vacu Vin device in lieu of this new "Bomb". I am a wine maker and sware by the vacu vin process despite this bad design.
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