Check out the BP MODS Pioneer Insider RBA Tank For Billet Box.
· Compatible with all Billet Box style boro mods.
· Super useful anti-condensate airflow passage.
· 6ml PCTG clear tank.
· Super easy to build and use as an RBA boro.
· 0.8/1.0/1.2/1.5/2.0/2.5/3.0/3.5mm airflow pins to fit MTL/RDL/DL, all included in the original package.
· Two sets of chimney adapters to fit the Pioneer Insider tank and the original BB tank.
· Flavor close to Pioneer RTA and even performs better.
· Maybe the most affordable BB boro on earth.