List of products by manufacturer Grenco Science

• vaporizers

  Grenco Science G Pen Connect

  

  ONLINE ONLY ITEM - NOT AVAILABLE IN-STORE The G Pen Connect turns any water piece with a glass-to-glass connection into a powerful e-rig. This palm-sized innovation is engineered with patented reverse airflow techn

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• vaporizers

  Grenco Science G Pen Roam

  

  ONLINE ONLY ITEM - NOT AVAILABLE IN-STORE The G Pen Roam is a portable concentrate vaporizer with superior water filtration. This ergonomic device is designed with an enclosed glass hydro-tube that cools and purifi

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