https://www.prnewswire.com/news-releases/grenco-science-introduces-the-g-pen-dash-the-new-essential-dry-herb-vaporizer-301061901.html
Grenco Science Introduces the G Pen Dash, The New Essential Dry Herb Vaporizer
/PRNewswire/ -- Grenco Science, maker of G Pen and the leader in advanced technology cannabis vaporization, introduces the G Pen Dash, the new affordable and...
grenco science
https://loudwire.com/gwars-oderus-urungus-public-service-announcement-grenco-vaporizers/
Oderus Urungus Issues Announcement for Grenco Vaporizers
GWAR front-thing Oderus Urungus has teamed up with Grenco Science to promote the company's line of G-Pen vaporizers.
oderus urungusissuesannouncementgrencovaporizers