The GRAV® Rig is 6" tall and made on 45mm tubing. Its umbrella perc diffuses vapor through water. The rig comes ready to use with a 14mm female domeless nail made on heat-tolerant quartz, and it works best with approximately 1.5" of water.
5" GRAV® Circuit Rig - Clear
7" GRAV® Circuit Rig - Clear
6" GRAV® Umbrella Perc Rig - Black
7" GRAV® Orbis Coppa Water Pipe ...
7.5" GRAV® Orbis Amphora Water P...