BILLET BOX R4 BORO TANK
Available before the end of August with the Billet Boxes
For the Rev 4 Only, will not work with Rev 3 and lower Boxes.
A black version of the tank that comes with the Rev.4 Billet box. The tank has a machined Borosilicate Glass face that slides down to fill up, all without removing the tank from the box!!! WOW