GLOSSARY

GRAV is proud to be part of the scientific glass community and a tradition of glassblowing that is centuries old and still evolving. We encourage everyone to be curious and eager to learn. Our glossary helps to clarify some of the terms we use most often to talk about our products. If you'd like to better understand an aspect of glass blowing that isn't featured here, [email protected] is ready to help.

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Roll-your-own, fill-your-own. This is a category of products like joints, blunts, glass joints, and flower pods that allow users to take flower they've purchase separately and make tat home a ver... Learn More
A piece is a smoking device. It usually refers to a glass pipe, bubbler, or bong, but it can also mean a wooden pipe, vape, or anything a person smokes out of. If someone likes your bong, they mi... Learn More
Perc is an abbreviation of "percolator". Percolators use water to filter smoke by breaking up the smoke stream, removing tar from the smoke, and forcing the water and smoke into close quarters. P... Learn More
Bangers are glass dishes attached to a small arm that fits into a bong or rig's ground joint. They're designed for vaporizing cannabis concentrate. After a banger is heated with a torch, concentr... Learn More
An ash catcher is a structure that removes ash from the smoke stream before it reaches the mouthpiece. Some ash catchers are built into a piece, like the inverted ash catcher mouthpiece on many G... Learn More
A TasterĀ® is a small GRAVĀ® glass hand pipe, consisting of a short piece of tubing with a restriction near one end. The space above the restriction serves as a bowl, while the rest of the tube is ... Learn More
The most common use of "joint" in a cannbis concept is a cannabis cigarette. Smokers either roll their own joints using sheets of rolling paper (these need to be sealed like an envelope using a s... Learn More
A Venturi chamber is a glass structure that spins, cools, and aerates smoke. The chamber is shaped like a broad funnel with three evenly spaced holes pushed into the widest point of the curve. Sm... Learn More
A downstem is a tube that carries smoke or vapor from the bowl of a bong or bubbler into the water. Some downstems are fixed inside the pipe to prevent damage. Others are made with standardized j... Learn More
A carb is a hole in a hand pipe or bubbler that regulates airflow inside the pipe (as in a "carburater"). Typically, a smoker covers the carb with a finger while lighting the bowl. Then they unco... Learn More
A bowl is the structure that holds cannabis flower. You smoke the bowl by lighting the flower with a lighter or match. Some bowls are built into a pipe, like the push bowl on a GRAVĀ® Spoon. Push ... Learn More

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