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Features of this Bubbler
A diffused downstem is a simple glass tube that puts the smoke down through the water. Smoke diffuses into the water through the downstems holes or slits.
Grav Labs has harnessed a solid reputation for creating quality scientific glass. Smoke Cartel is an official retailer for Grav Labs. Here you'll find an excellent selection of bubblers, recyclers, hand pipes, water pipes, dab rigs, and other glass pipes by Grav Labs.