Official
Partner
Grenco Science
Grenco Science

Grenco Science

Discount Codes & Deals

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. We're excited to be teamed up with Grenco Science directly to bring you exclusive discount codes and deals that can't be found anywhere else online! So 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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Deals
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HEAVY HITTER
New visitor to Grenco Science? Sign up their email newsletter and you’ll receive a 20% discount code to use on your first order with them.
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HEAVY HITTER
Get FREE US Domestic Shipping on any order over $75 at Grenco Science – the home of the G-Pen vaporizer! No discount code needed.
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£80.99
The best vaporizer coming out of Grenco Science! Combine the following discount code with Namaste Vapes UK’s sale price and save 49% on the G Pen Elite.

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$4.95
Got space in your wallet for a grinder? Of course you have! Save 50% on Pizzanista! Grinder Cards at the official Grenco Science store while stocks last.

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$49.95
Grenco Science’s official G Pen x Santa Cruz Shredder 4 Piece Grinders are currently on sale for $49.95 each (28% off) in their Summer Sale!

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$39.95
The G Pen Dual Quartz Vaporizer has just been reduced to only $39.95 (42% off) in Grenco Science’s Summer Sale. Ending very soon though!
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$2.95
If you’re shopping at Grenco Science, don’t forget to grab one of their G Card Grinders – only $2.95 each (40% off) in their Summer Sale!
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$59.95
Pick the latest G Pen Pro model for just $59.95 (40% off) for a limited time only at the official Grenco Science store!
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$89.95
Grab the G Pen Elite Vaporizer for just $89.95 (40% off) for a limited time only at the official Grenco Science store!
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The G Pen Elite Stash Edition is now cheaper than ever! Pick yours up for just $119.95 (33% off) today at the official Grenco Science store!
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It’s now the final day of Grenco Science’s Memorial Day Sale! You’ve got until midnight tonight to get 30% off all vaporizers and accessories!
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Grab a G Pen and head outdoors! Save up to 40% on selected vaporizers and accessories in Grenco Science’s just launched Summer Sale!
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Get Grenco Science’s G Pen Dual Quartz Coil Vaporizer for just $49.95 (28% off) when you shop directly through the official store this month!
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HEAVY HITTER
New visitor to Grenco Science? Sign up their email newsletter and you’ll receive a 20% discount code to use on your first order with them.
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Alchimia Green Days SALE Event - 50% off EVERYTHING