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G Pen
Coupon Codes & Deals

Looking for a G Pen coupon code? We've teamed up with G Pen directly to bring you exclusive discount codes and deals that can't be found anywhere else online! Grenco Science is the brand behind the famous G Pen vaporizer range; considered to be some of the best portable vaporizers in the world today. They offer a wide range of premium dry herb, concentrate and e-liquid vaporizers to fit everyones budget - all with the same iconic blacked out design. If you want a real G Pen vaporizer, it’s probably not wise to buy it somewhere like Amazon, but instead at Grenco Science’s official web store. Check out the latest deals we've added below and save on one of the strongest vaporier brands in the game!

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Hints & Tips
Pro tips for saving money at G Pen
GPen.com, of course, is the most reliable and trustworthy source for purchasing anything G Pen related online. If you want to ensure the authenticity of your vape and guarantee an easy warranty it always pays to shop direct!
Most vaporizers ship for FREE at the G Pen store - All orders over $75 get free shipping!
Subscribe to email or text alerts from GPen.com and they'll send you a 15% coupon code to use right away!
Only at the official Grenco Science store can you buy Mystery G Pen Boxes with over 50% off the usual pricing!
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Latest G Pen Discounts

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EXPIRED
-55%
Look At That

Want in on a little secret? G Pen's Gold Mystery Box contains $260 worth of herb and wax vapes -... Read More

Want in on a little secret? G Pen’s Gold Mystery Box contains $260 worth of herb and wax vapes – and if you use this coupon code on top of it, you can get it for $120 (55% off).

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
EXPIRED
-65%
Good Deal

Get $229 worth of G Pen concentrate vapes for just $80 (65% off) when you use the following coupon... Read More

Get $229 worth of G Pen concentrate vapes for just $80 (65% off) when you use the following coupon code on top of G Pen’s already discounted Mystery Box!

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
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-20%
NEW

Grab the new Tyson 2.0 x G Pen Hyer Vaporizer at the official G Pen store this week and get 20% off... Read More

Grab the new Tyson 2.0 x G Pen Hyer Vaporizer at the official G Pen store this week and get 20% off with the following discount code.

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-20%
Hot Deal

Save 20% on almost all items at GPen.com when you enter the following coupon code at the checkout.... Read More

Save 20% on almost all items at GPen.com when you enter the following coupon code at the checkout. Works on 99% of vapes and accessories!

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
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-20%
NEW

Fully upgraded for 2023 - Save 20% on the latest-gen G Pen Dash+ portable herb vaporizer with the... Read More

Fully upgraded for 2023 – Save 20% on the latest-gen G Pen Dash+ portable herb vaporizer with the following coupon code at the official G Pen vape store.

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
EXPIRED
-15%
Hot Deal

Grab your G Pen direct from the source - Get 15% off your order at the official G Pen store when... Read More

Grab your G Pen direct from the source – Get 15% off your order at the official G Pen store when you enter the following coupon code at the checkout.

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
EXPIRED
-35%
Smoking Savings

G Pen's essential worker discount covers a broad variety of circumstances. Use VerifyPass to... Read More

G Pen’s essential worker discount covers a broad variety of circumstances. Use VerifyPass to determine your eligibility and save 35% on your GPen.com purchase.

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  • USA & Canada
    USA & Canada
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  • 100% Success
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-20%
Super Cheap

Save 20% on the new G Pen Dash Tyson Edition at the official G Pen store this 420 when you use this... Read More

Save 20% on the new G Pen Dash Tyson Edition at the official G Pen store this 420 when you use this coupon code on top of their sale price.

Expiry Date Unknown

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  • USA & Canada
    USA & Canada
  • Expiry date unknown
  • Vaporizers
  • 100% Success
EXPIRED
-5%
Smoking Savings

Get an extra 5% off anything (even during sitewide sale events) when you enter the following coupon... Read More

Get an extra 5% off anything (even during sitewide sale events) when you enter the following coupon code at G Pen’s checkout.

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  • USA & Canada
    USA & Canada
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  • Vaporizers
  • 100% Success
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-5%
Dope Deal

Other G Pen coupon codes not working? No worries - Enter the following coupon code at the checkout... Read More

Other G Pen coupon codes not working? No worries – Enter the following coupon code at the checkout and get 5% off even when items are on sale!

Expiry Date Unknown

Expiry date unknown
  • USA & Canada
    USA & Canada
  • Expiry date unknown
  • Vaporizers
  • 100% Success
EXPIRED
-15%
Smoking Savings

Enter your email and phone number into the popup at the official G Pen store and they will send you... Read More

Enter your email and phone number into the popup at the official G Pen store and they will send you a text with a 15% off coupon code instantly for your next order!

Expiry Date Unknown

Expiry date unknown
  • USA & Canada
    USA & Canada
  • Expiry date unknown
  • Vaporizers
  • 100% Success
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-20%
Smoking Savings

The all-in-one portable vape with water filtration - Get 20% off the G Pen Roam vaporizer at the... Read More

The all-in-one portable vape with water filtration – Get 20% off the G Pen Roam vaporizer at the official G Pen store for a limited time only.

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  • USA & Canada
    USA & Canada
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  • 100% Success
EXPIRED

It's never been easier to get your hands on an official G Pen... The Grenco Science store are now... Read More

It’s never been easier to get your hands on an official G Pen… The Grenco Science store are now offering FREE Shipping for all orders over $75!

Expiry Date Unknown

Expiry date unknown
  • USA & Canada
    USA & Canada
  • Expiry date unknown
  • Vaporizers
  • 100% Success
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-50%
Hot Deal

The entire Grenco Science range is up to 50% off at the official G Pen Store this Labor Day when... Read More

The entire Grenco Science range is up to 50% off at the official G Pen Store this Labor Day when combining this discount code with their already reduced prices!

2023-09-05 09:00:00
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5X
Good Deal

Right now G Pen are offering 5x Rewards Points for each vaporizer you leave a review on - Rewards... Read More

Right now G Pen are offering 5x Rewards Points for each vaporizer you leave a review on – Rewards Points can then be redeemed for free store credit!

2023-09-01 09:00:00
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-25%
Smoking Savings

G Pen also has all of the Stundenglass Gravity Infusers on sale this Father's Day - Get 25% off the... Read More

G Pen also has all of the Stundenglass Gravity Infusers on sale this Father’s Day – Get 25% off the entire range with the following coupon code.

2023-06-19 09:00:00
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-25%
Hot Deal

Give Dad something real this Father's Day - Save 25% on all vaporizers and accessories at G Pen... Read More

Give Dad something real this Father’s Day – Save 25% on all vaporizers and accessories at G Pen with the following coupon code this week.

2023-06-19 09:00:00
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-15%
Super Cheap

Save 15% sitewide at the G Pen store this week when you enter the following coupon code at the... Read More

Save 15% sitewide at the G Pen store this week when you enter the following coupon code at the checkout – The Hyer, G Pen Elite II and Stundenglass are all on sale!

2023-05-16 09:00:00
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-50%
Smoking Savings

Give your Gravity Infuser a little color - Save 50% on Stundenglass Green Glass Globes at G Pen... Read More

Give your Gravity Infuser a little color – Save 50% on Stundenglass Green Glass Globes at G Pen when you combine this coupon code with their sale price.

2023-01-01 00:00:00
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FREE
Super Cheap

Get a FREE G Pen x Santa Cruz Shredder 4-Piece Hemp Grinder (worth $22.95) with any G Pen Elite II,... Read More

Get a FREE G Pen x Santa Cruz Shredder 4-Piece Hemp Grinder (worth $22.95) with any G Pen Elite II, Elite, or Hyer Dry Herb Tank ordered at the G Pen store!

2023-08-01 09:00:00
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G Pen Customers Often Ask
What are G Pen coupon codes?

G Pen will often offer extra discount on specific items or orders through the usage of coupon codes. These codes must be applied by you at the checkout in order to receive the extra discount.

How many G Pen coupon codes are there?

G Pen are always releasing new coupon codes so that number is constantly changing. Right now, we have 13 active G Pen discounts in total, with 10 coupon codes and 3 money saving offers available for you.

Which G Pen discount is the best?

Well that's pretty subjective, because all discounts have their different advantages, however, you can currently save up to 65% at G Pen by using a combination of our coupon codes and their regular store offers. Generally speaking, site-wide coupon codes are the best because they will give you an extra discount on anything!

Can I submit a coupon code?

Of course! If you'd like to share a G Pen coupon code or any other discount that we don't have listed, you can submit a coupon code by registering an account here at CannabisCouponCodes.com.

Tips For Using G Pen Coupon Codes
How do I use G Pen coupons?

It's very simple. Once you have found a coupon code that you want to use, click the "Copy Coupon" button. This will automatically copy the coupon code to your clipboard and then send you straight to G Pen.

Once you're at G Pen, you can then paste the coupon code at the cart to redeem your savings. If the coupon code works you should see a discount applied to your order, if not, come back and try a different coupon code!

A successfully applied coupon will look like this: