GRAV® WEDGE BUBBLER RIG 7IN CLEAR | FOR CONCENTRATESGRAV WEDGE BUBBLER RIG 7IN CLEAR FOR CONCENTRATES WITH 14MM QUARTZ BANGER MATERIAL Borosilicate JOINT 14mm Female USE WITH Concentrate DESIGNED BY Micah Evans The Wedge Rig is a portable, ergonomic pipe that's easy to hold with either hand, tilted back, or straight up. The curved downstem reaches the very corner of the dab rig's bottom chamber, so you can use an exceptionally low water line. Pull as hard as you like from this little rig without any