13.5 Large Gravitron Bong "pipe420" diamond-tooth grinder form Black Leaf

diamond-tooth grinder form Black Leaf comes with a window through which to view the grinding process

giving you great reassurance when you want to be discreet

Thanks to the ingenious design of this bag there is no chance of any pungent odors escaping and contaminating your clothes or car when you’re transporting it

as well as thick oils and liquids

13.5 Large Gravitron Bong "pipe420" diamond-tooth grinder form Black LeafGrav Labs Large Gravitron Bong. This is where it all began for Grav Labs, the Gravitron Bong was first created by founder Dave Daily back in his college years. After years of hard work and many improvements, it's this gravity bong that is infamous amongst the glass community. The bong's unique design makes it the most efficient smoking device to be ever created. Easy to use, the Gravitron conserves all the smoke in the chamber. After igniting the