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  VRD

  This is a high-end vacuum pump made in China. It is less noisy than the standard vacuum pump. It is generally used in laboratories for scientific research. If you use it to freeze-dry some food, we do not recommend this vacuum pump because it is expensive and the performance of the vacuum pump is not much different from the standard vacuum pump.

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  SVF-100DR

  If you hate oil smoke and don't want to change the oil and maintain the vacuum pump frequently, I suggest you consider this oil-free vacuum pump

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  SVF-200DR

  If you hate oil smoke and don't want to change the oil and maintain the vacuum pump frequently, I suggest you consider this oil-free vacuum pump

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