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The G Pen Roam Vaporizer was one of the most innovative portable electric dab rigs ever made and remains a classic conversation piece in the evolution of concentrate vaporizers. Although the Roam has been discontinued, it still holds a special place for concentrate lovers who value design, water filtration, and performance. At Canadian Vaporizers, we recognize its impact and legacy in the vaporizer world, and many users still search for information and replacement parts because of its unique design.
G Pen Roam Vaporizer Details
| Brand: | G Pen |
| Release Year: | 2020 |
| Warranty Coverage: | 1 Year Limited |
| Compatibility: | Concentrates (Wax, Shatter, Rosin, Dab) |
| Heat-Up Duration: | ≈ 2–5 Seconds |
| Temperature Control: | Digital Precision in 25°F Increments |
| Heating Type: | Quartz Coil Conduction Heating |
| Temperature Range: | 600°F – 800°F (315°C – 425°C) |
| Battery Capacity: | 1300 mAh (Internal) |
| Power Source: | Micro-USB Charging + Pass-Through Use |
| Body Material: | Aluminum Alloy Shell |
| Mouthpiece: | Glass Mouthpiece with Internal Hydro-Tube |
| Display Type: | LED Digital Display |
| Heat Activation: | Manual or Automatic Mode (30-Second Session) |
| Special Feature: | Built-In Leakproof Water Filtration System |
| Battery Life: | ≈ 20 Sessions Per Charge |
| Portability: | High – True Portable E-Rig with Internal Hydro-Tube |
| Included Accessories: | Quartz Tank, Glass Tube, Mouthpiece, Cleaning Tool, USB Cable, Hemp Travel Case |
| Shop All G Pen Vaporizers: | View the Full G Pen Collection in Canada |
| View Product Page: | G Pen Roam Vaporizer Canada |
About the G Pen Roam Vaporizer
The G Pen Roam was released by Grenco Science as a groundbreaking portable E-Rig that integrated water filtration directly into the device body. It was among the first vaporizers to offer a fully enclosed water path using borosilicate glass, allowing users to enjoy cool, filtered vapor without needing external glass attachments or bulky rigs. Designed for portability and performance, the Roam offered concentrate users a travel-friendly option with the feel and smoothness of a traditional dab rig.
What Made the G Pen Roam Vaporizer Special
The G Pen Roam Vaporizer Canada combined multiple features that were unseen in portable concentrate devices at the time of its release. Its built-in hydro-tube system created water-cooled vapor without external components. The digital temperature control allowed users to fine-tune vaping temperatures between 600°F and 800°F (315°C to 425°C), giving full control over vapor density and flavor profile. The quartz tank preserved terpene-rich flavor, and the sturdy aluminum alloy body protected internal components while offering a comfortable grip.
How Did the G Pen Roam Vaporizer Work?
Using the G Pen Roam was straightforward for a portable E-Rig. Users would fill the integrated hydro-tube to the marked water line, press the power button five times to turn the device on, then use the temperature buttons to adjust heating in 25°F increments within its range. The Roam had two heating modes. In automatic mode, double-pressing the power button heated the rig to the selected temperature and maintained heat for about 30 seconds. In manual mode, holding the button would heat and maintain temperature until released. The device provided vibration feedback when it reached temperature and could be used while plugged in through pass-through charging.
Why Users Appreciated the G Pen Roam Vaporizer
The G Pen Roam Vaporizer delivered smooth vapor performance thanks to its internal water filtration system. The built-in water path effectively cooled vapor before inhalation, reducing harshness and producing clean, flavorful hits. Its digital temperature control gave users precise control over sessions, and the quartz tank was engineered to heat concentrates evenly. The Roam brought portable water filtration to a form factor that fit in your hand, making it a unique and memorable choice for concentrate enthusiasts.
What Was the G Pen Roam Temperature Flexibility?
Temperature flexibility on the G Pen Roam Vaporizer Canada was a standout feature. With an adjustable range from 600°F to 800°F, users could fine-tune sessions by pressing the up and down buttons to change heat in small increments. The device also featured a “Max Mode” that pushed heat to the highest level with a button press for extra powerful extraction or to help clean the quartz tank after a session.
What Was the G Pen Roam Battery Life?
A 1300mAh internal battery powered the G Pen Roam, providing roughly 20 sessions per full charge for most users. Charging was done via Micro-USB, and because of pass-through charging capability, the Roam could be used while plugged in. While later devices moved to USB-C for faster charging, the Roam’s battery was reliable enough for full days of use, especially in casual concentrate sessions.
Accessories and Maintenance for the G Pen Roam
The Roam came with a hemp travel case that stored the vaporizer and its accessories securely for travel or outdoor use. Regular cleaning was easy: the quartz tank, glass hydro-tube, and silicone airpath could be removed, soaked in isopropyl alcohol, rinsed, and dried before reassembly. This kept the vapor path clean and performance consistent over time.
How to Clean G Pen Roam Vaporizer
To keep your G Pen Roam performing at its best, remove the quartz tank and hydro-tube components and soak them in isopropyl alcohol. Rinse with warm water and let dry fully before putting back in the device. Wipe the silicone components and mouthpiece separately. Cleaning after regular use prevents buildup and preserves smooth vapor quality.
G Pen Roam Vaporizer Legacy
The G Pen Roam changed the way concentrate users thought about portable E-Rigs by putting water filtration and digital control into a handheld unit. Its influence can be seen in later devices that offer water-cooled hits in portable formats. Although discontinued, the Roam remains a milestone in vaporizer design and still inspires discussion among concentrate enthusiasts.
Why Canadians Still Care About the G Pen Roam
Canadians who experienced the G Pen Roam appreciate its combination of portability, water filtration, and control. For those who value smooth, water-cooled vapor without a desktop rig, the Roam provided an experience that few other devices could match at the time. Its legacy continues in the evolution of portable e-rigs that followed.
Why Buy from Canadian Vaporizers
Canadian Vaporizers is Canada’s trusted source for authentic vaporizers, replacement parts, and accessories. Even though the G Pen Roam is discontinued, we can help you find compatible parts, explore modern alternatives, and make informed decisions about the best device for your needs. Enjoy fast nationwide shipping, full manufacturer warranty support where applicable, and a price-match guarantee on every order.
Explore our full G Pen Collection or browse the Concentrate Vaporizers category to find the latest innovations in portable E-Rig technology and concentrate vaporization.
G Pen Roam vs G Pen Hyer
| Feature | G Pen Roam (Discontinued) | G Pen Hyer (Current Model) |
|---|---|---|
| Compatibility | Concentrates Only | Concentrates + Optional Dry Herb Tank |
| Heating System | Quartz Coil Conduction | Full Quartz Atomizer with Smart Heating |
| Temperature Control | 600–800°F (Digital) | 5 Presets: 482°F–842°F |
| Heat-Up Time | 2–5 Seconds | ≈ 15 Seconds |
| Battery | 1300 mAh Internal | 6000 mAh Rechargeable External |
| Water Filtration | Built-In Internal Hydro-Tube | Compatible with Any Glass Bong (14mm) |
| Charging | Micro-USB | USB-C + Pass-Through |
| Build Material | Aluminum Alloy | Anodized Aluminum + Quartz Chamber |
| Portability | High (All-in-One Portable) | Medium (Requires Glass Piece) |
| Warranty | 1 Year | 2 Years |
| Release Year | 2020 | 2023 |
| Battery Life | ≈ 20 Sessions | ≈ 30 Sessions |
| Display | LED Screen | LED Display + Color Indicators |
| Charging Time | 1–2 Hours | ≈ 2 Hours |
| Notable Feature | Self-Contained Water Filtration | Wide Quartz Chamber + Magnetic Design |
| Port Type | Micro-USB | USB-C |
| Replacement Parts | Quartz Tank + Hydro-Tube | Atomizers, Glass Adapters, Batteries |
G PEN ROAM FAQs
What’s the best alternative to the G Pen Roam?
The G Pen Hyer is the most advanced E-Nail from Grenco Science and the ideal upgrade. It delivers stronger hits, customizable temperature control, and extended battery life — all with authentic availability from Canadian Vaporizers.
Is the G Pen Roam still available?
No, the G Pen Roam has been discontinued by Grenco Science. However, Canadian Vaporizers still carries its successor models, including the G Pen Hyer and G Pen Micro Plus, which deliver improved vapor performance and modern features.
What’s the warranty on the G Pen Roam?
The G Pen Roam originally included a 1-year manufacturer warranty from Grenco Science. This warranty covered device defects but not normal wear and tear or accidental damage.
What makes the G Pen Roam different from the G Pen Hyer?
The G Pen Hyer improves on the Roam with a quartz heating chamber, 6000mAh battery, USB-C charging, and compatibility with any 14mm glass piece. It’s the best modern replacement for Roam users looking to upgrade.
How fast does the G Pen Roam heat up?
The G Pen Roam heats up in about 2–5 seconds, depending on the selected temperature. Its digital controls allow users to choose any temperature between 600°F and 800°F (315°C–425°C).
What’s the battery life like on the G Pen Roam?
The Roam’s 1300mAh internal battery lasts for around 20 sessions per charge. It charges via Micro-USB and supports pass-through use, meaning you can vape while it’s plugged in.
Does the G Pen Roam have built-in water filtration?
Yes. The Roam was one of the first portable E-Rigs to feature a self-contained hydro-tube for water filtration. This design cooled vapor internally and eliminated the need for external glass attachments.

