Grenco Science · Jan 19, 2016 · 5:39 AM UTC

Hey Guys! Want to get your loved one something for Valentines Day? Check out our sale on #microGpens bit.ly/gpenvapes

Grenco Science · Jan 17, 2016 · 4:20 AM UTC

#dab city

Grenco Science · Jan 16, 2016 · 11:35 PM UTC

Grenco Science · Jan 16, 2016 · 9:06 PM UTC

Who would you like to see us collab with next?

Grenco Science · Jan 15, 2016 · 7:25 PM UTC

Our @snoopdogg dry-herb vaporizer just SOLD OUT! Check out our other amazing #gpen vaporizers bit.ly/gpenvapes

Grenco Science · Jan 15, 2016 · 5:20 PM UTC

Whats your favorite #concentrate to #vaporize?

Grenco Science · Jan 15, 2016 · 7:55 AM UTC

It's #420 somewhere

Cannabis Culture · Jan 15, 2016 · 2:04 AM UTC

Grenco Science retweeted

Border Officers Find Ton of Pot in Fake Carrots #carrots #mexico #USA tinyurl.com/z9vjehp

Grenco Science · Jan 13, 2016 · 10:05 PM UTC

check out our collaboration w/ @dgk on our latest hérbal #vaporizer bit.ly/dgk_gpen

Grenco Science · Jan 13, 2016 · 7:45 PM UTC

whats your favorite #strain / #concentrate you pack into our vaporizers?

Grenco Science · Jan 13, 2016 · 7:16 PM UTC

Check out all our products on our website bit.ly/gpenvapes

Grenco Science · Jan 13, 2016 · 6:53 PM UTC

We finally did it! #420 #gpen #grencoscience