Upline Hammer Bubbler
Grav Labs Bubbler
This hammer bubbler from the Upline section of Grav Labs is a great choice for a daily driver. Made entirely out of clear glass, the Upline Hammer Bubbler has the trademark forced stacked percs that are found in all Upline products. These percs can be found circling the diffused downstem and at the end of the neck towards the mouthpiece. There is an Upline logo brandished on the front of every bubbler. Logo color is chosen at random.
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