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Free standard shipping on orders over $149
The G Pen from Grenco Science is a convenient, effective, and sleek vaporizer for solid concentrates. Easy loading and simple operation makes the G Pen one of the most user-friendly portable vaporizers available. G Pen technology allows for instant, vapor at the push of a button.
At just over 5" in length, the G Pen is sleek, stealthy, and fits in your pocket for on the go use. Even when you are out and about, you’ll always have access to high-quality vapor.
Less parts means less hassle. Load your solid concentrate into the G Tank and reassemble cartridge, battery, and mouthpiece to begin use. Press power button firmly while drawing.
For best functionality, be sure to clean and maintain the G Pen regularly. Cleaning the screw threads with a clear alcohol solution ensures consistent electric conduction to the device. Allow G Pen to dry thoroughly before use. When the battery is depleted, charge fully before using again to maximize battery life.
The Included G Battery functions interchangeably as the power source for the G Coil, Essential Oil Tank, Aromatic Blend Tank, and Hookah Tank. The G Battery is only compatible with Grenco Science products.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
