Grav Labs Two Layer Circuit Rig
VENDOR: Grav Labs
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Grav Labs 7" Two Layer Circuit Rig
This is the Official 7" Two Layer Circuit Rig from Grav Labs. The two-layer circuit rig is made out of Borosilicate Glass, the tubing on the circuit rig is 60mm tubing with an angled mouthpiece, 14mm quartz domeless nail, and two double-decker bubbler chamber this will allow the smoke to cool down and be filtered.