Grenco Science is a leader in engineering advanced cannabis vaporizers, setting new standards in aesthetics, portability, functionality, and user experience. Through proprietary research and development, as well as collaborations with influencers in music, art, and fashion, Grenco Science is transforming the cannabis experience and leading the movement to bring cannabis traditions to the 21st century.

G Pen

Concentrates

Vaping

Smoking

Other

Storage

ADULT USE SALES BEGIN AUGUST 6th AT 10AM.
(Please visit our website for accurate product listings in store)

Pure Ohio Wellness is an Ohio based company consisting of a Level 1 cultivation facility, two dispensaries and a processing facility founded by professional motorcycle rider, Larry Pegram. We are made up of a group of passionate people that have come together with the common goal of growing, producing and dispensing only the highest quality products.

Pure Ohio Wellness Dispensary is committed to improving the lives of Ohio patients by providing only the best medical marijuana products at affordable prices.  Our customer service representatives and pharmacists are highly trained to assist you in choosing the right product and delivery method for your qualifying condition and comfort level.

At Pure Ohio we only use natural ingredients in our cultivation, no pesticides are ever used.  We strongly believe that what we do is superior due to the diligence we use during each step of production, from seed to sale.  We would like to invite you to become part of the Pure Ohio family, an Ohio based, vertically integrated company that puts you first.

Pure Ohio Wellness - London

The G Pen Connect is a revolutionary alternative to conventional concentrate consumption that heats to temperature within five seconds of activation to deliver high-density, quality vapor production without the hassle of a torch and exposed nail. Powered by a ceramic heating element and featuring patented reverse airflow technology, the G Pen Connect vaporizes concentrates evenly and efficiently, and pairs with any glass-on-glass water piece to deliver smooth and powerful draws.

G Pen Connect Vaporizer

The G Pen Elite is an ergonomically designed portable convection vaporizer, featuring a full LED display with temperature control, battery life indicator, and all-ceramic heating chamber.

The G Pen Elite boasts the largest fully ceramic chamber on the market, with a revolutionary 360 ceramic heating element that provides fast and even convection vaporization of ground material from all sides. With the capability of setting any desired temperature between 200° - 428°F (93° - 220°C), users can experiment with low temperature true vaporization to explore optimal flavor profiles. This innovative technology opens up an entirely new vaporizing experience with unrivaled performance, taste, and effects.

Powered by a combination of the highest grade lithium-ion battery and smart-chip technology, The G Pen Elite is a high-performance vaporizer that sustains battery life for extended use.  Designed and engineered for portability, the G Pen Elite is the perfect marriage of form and function, making it the ideal solution for efficient vaporization on the go.

G Pen Elite Vaporizer

The G Pen Elite is an ergonomically designed portable convection vaporizer for ground material that is the ideal solution for vaping on the go.

Founded on the principles of performance and user-preference, the G Pro Herbal Vaporizer features three variable temperature settings, enabling a uniquely-fitted vaping experience.

Durable in design and sophisticated in aesthetic, the G Pro's internal structure is comprised of a heavy duty, stainless steel heating chamber that releases the active ingredients in botanicals without the harmful byproducts caused by traditional methods.

The first release in the advanced G Pro Series, the G Pro Vaporizer produces pure vapor for optimum flavor, establishing a new standard of excellence across the vaporizer industry.

G Pro Vaporizer

The G Pro Herbal Vaporizer features three variable temperature settings, enabling a uniquely-fitted vaping experience.

510 THREAD COMPATIBLE
Battery is compatible with any 510 threaded tank
DUAL-USE TANK
Works for concentrates and ground materials
QUARTZ BOWL
Quartz bowl with ceramic dish heating element
POWERFUL BATTERY
300 mAh battery with micro USB pass-through charging
VARIABLE VOLTAGE
3 variable voltage settings plus "Extended Draw" mode


G Pen Nova Vaporizer

Grenco Science is proud to introduce the next generation of portable dry herb vaporizers with the G Pen Dash+.  Following in the footsteps of its predecessor, the massively popular G Pen Dash, the Dash+ sports a similarly compact profile with notable upgrades, including hybrid heating technology, precise temperature control, and a full-color LED display.

G Pen DASH

G-Pen Gio Adapter

Jack Herer Cartridge 0.5g

G Pen Yellow Lemonade

Grape Dreams G-Pen Cartridge 0.5g

Guava Cartridge 0.5g

Grape Ape Cartridge 0.5g

Sweet Melon Cartridge 0.5g

Blueberry Cartridge 0.5g

Wedding Cake Cartridge 1g

Wedding Cake

Strawberry Lemonade Cartridge 0.5g

Strawberry Lemonade

G Pen Concentrate Pen 

G Pen Hookah

Member Berries Cartridge 0.5g

Grape Dreams Pod 0.5g

Clementine Cartridge 0.5g

Coconut Crunch Cartridge 0.5g

Sour Tsunami Gio Cartridge 0.5g

The G Pen Wax Wallet is a convenient and discrete way to store your concentrates.

G Pen

G Pen products