G Pen is Grenco Science's cannabis vaporizer brand and one of the most recognized names in portable vaporization hardware. Founded in Los Angeles, Grenco launched G Pen during the early growth phase of cannabis vaporizers and built the brand through strategic partnerships with artists, musicians, and cannabis culture figures who introduced the product to their audiences directly.
The G Pen lineup has evolved from early-generation vape pens to a full range of portable and desktop vaporizers covering dry herb, concentrate, and 510-thread oil cartridge formats. The G Pen Elite II, G Pen Roam, and G Pen Connect represent the current range, consisting of products that have gone through multiple hardware generations based on consumer feedback and technology development.
Grenco's cultural marketing approach has been particularly effective in cannabis; rather than traditional advertising, G Pen built its visibility through branded collaborations with hip-hop artists, cannabis influencers, and lifestyle brands that positioned the hardware as aspirational rather than functional. The result is a vaporizer brand with a consumer base that extends well beyond cannabis enthusiasts into broader youth culture.
Available at licensed dispensaries, smoke shops, and direct through the G Pen website, the brand represents California hardware design meets cannabis culture, with products that are as likely to be found in a studio session as they are at a dispensary counter.