Grenco Science

The ultimate portable grinder, The Grenco Science G card fits almost anywhere and speeds up any smoking process while on the move. No larger than a...

Grenco Science delivers one of the most powerful pocket-sized vaporizers available today in the form of The G Pen Dash. The Dash mouthpiece clasps ...

Use this adapter to connect your G-Pen Connect to a bong or dab rig. Simply insert the end of the adapter into the Connect and the other into int o...

The G Pen Connect Metal Connector is a factory OEM part for the G Pen Connect Vaporizer. The glass adapater fits directly into the bottom of the ...