850 RBA designed for true RDL, and DL vaping included is a smaller dome chimney for improved flavor and throat Hit. 

Air Flow Pin Size: 1.5mm, 2.0mm, 2.6mm,3.2mm, 3.8mm. 

Easy coil building and wicking deck. 

Quiet and smooth air flow design.

510 threading for easier coiling 

Comes with Kraken tank (Kraken tank is fully compatible with other boro bridge)

850 RBA designed for true RDL, and DL vaping included is a smaller dome chimney for improved flavor and throat Hit. 

Air Flow Pin Size: 1.5mm, 2.0mm, 2.6mm,3.2mm, 3.8mm. 

Easy coil building and wicking deck. 

Quiet and smooth air flow design.

510 threading for easier coiling 

Comes with Kraken tank (Kraken tank is fully compatible with other boro bridge)