G Pen Concentrate

G Pen Concentrate

Regular price $119.95 Sale price $65.00
Shipping calculated at checkout.

Each G Box comes with a G Pen, G Tank, G Tool, USB charger with an AC adapter, and two essential oil containers. Combining everything you need in an alternative-medicine vaporizer.


Grenco Science provides a 1-year warranty on electronic components.

Program includes the G Battery™, microG Battery™, G Pen Charging Kit™, microG Charging Kit™, G Pen Wireless USB Charger™, and the G Dual Charger™. Email Grenco at info@grencoscience.com, you should receive a reply within 2-3 business days to coordinate a replacement device. You will need to send in your defective unit first, using whatever method you see fit, and we will cover the cost of shipping the replacement back to you. (Please allow at least 7-10 business days for processing.) If purchased from one of our authorized retailers or other retail establishment, please keep your receipt as proof of purchase, as it will be required for replacement at no cost. Without a valid proof of purchase, replacements will be subject to a processing and handling fee. 

Warranty is not applicable to mouthpieces, tanks or coils. For sanitary purposes, please do not send any used tanks or coils. All merchandise sales are final.

  • User-Friendly
  • Discreet
  • Advanced Technology
  • Healthier
  • Convenient
  • Effective