Water pipes and a dab rigs are essentially the same things. A dab rig gets its name because it is mainly used for dabbing, but can also be used for flower smoking or vaping. So a dab rig is also a flower rig or vape rig. Same as a water pipe when used for dabs or vaping then becomes a dab rig or vape rig. Many dab rigs are not very big so to keep the volume down so you get a more direct hit without the vapor sitting in the tube length.
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