G Pen

G Pen (formerly Grenco Science) engineers some of the most advanced, user-friendly portable vaporizers in the world. Founded in 2012, Grenco Science changed both the face and the game of the vaporizing industry.

They are known for their classic G Pro, available in a variety of styles and colors for every kind of smoker. Grenco Science has even collaborated with other artists and brands, including Snoop Dogg. If you're looking for a classic but fashionable way to vape, Grenco Science is the epitome of a brand you can trust.

Smoke Cartel's stock of Grenco Science pens is among one of our favorite product lines, and we trust that there's a Grenco Science vape for every kind of smoker.

Sort By

View all Filter & Sort Options

Filter by Category

G Pen Adapter G Pen Dry Herb Vaporizers G Pen Electronic Nail G Pen Replacement Part G Pen Vaporizer G Pen Vaporizer Accessory

Filter & Sort Products

Connect Replacement Tank

G Pen Connect Replacement Tank

$ 29.95

(30)

Connect Vaporizer

G Pen Connect Vaporizer

Connects to any Water Pipe

$ 149.95

Regular priceOn Sale ~~$ 200.00~~

(169)

G Card Grinder Sold Out

G Card Grinder

$ 6.95

Sold Out

(5)

Elite Mouthpiece

G Pen Elite Mouthpiece

$ 9.95

Lemonnade x Micro+ Concentrate Vaporizer

Lemonnade x G Pen Micro+ Concentrate Vaporizer

$ 89.95

Connect Battery

G Pen Connect Battery

$ 59.95

4 Color Options

Lemonnade x Connect Concentrate Vaporizer

Lemonnade x G Pen Connect Concentrate Vaporizer

$ 149.95

Connect Glass Adapter

G Pen Connect Glass Adapter

$ 14.95

(6)

Shop G Pen

Highly Rated by Over 200,000+ Customers

Loading more products...

The Best Online Headshop

Smoke Cartel is a small passionate team (based in Savannah, GA) dedicated to helping you find premium glass bongs, glass rigs and hand pipes of all stripes, vaporizers, dab pens and other cool counterculture tools. From hemp goods to herb grinders, travel pouches to butane torch lighters, we have the gear to make the perfect smoking experience!

Winner of the High Times Cup Best Glass Award and featured on Forbes, Leafly and Weedmaps, we are dedicated to bringing quality accessories to satisfied customers! We are available anywhere, 24 hours a day, with the best smoking gear available.

Learn more about us

We've Been Featured On

You must be 21 years or older to browse this website and purchase products.

Smoke Cartel is a marketplace for smoking accessories. All products are intended for legal dry herb or tobacco usage. The statements and vaporizers & products shown on this website have not been evaluated by the US Food and Drug Administration (FDA). These devices are not designed to diagnose, cure, prevent, or treat any disease. Before using a vaporizer, please consult with a licensed health care provider. If you use a vaporizer, you do so at your own risk. Inhalation is inadvisable and may potentially be harmful. Any comments from user-submitted reviews found on this website are related to the users own personal experiences, and are not endorsed, reviewed, or necessarily shared by smokecartel.com or its affiliates. Vaporizing does not necessarily eliminate any and all toxins found in vaporized substances, so much care should be taken prior to use. By using smokecartel.com, you acknowledge and agree to abide by our Terms of Use page before making any purchase on this website.