Bridges for Billet Box are accessories allowing the use of resistance manufacturers: Aspire BVC Nautilus or the North of Smok. They can also be used as rebuildable atomizers: CrossBow, VapeShell, Insider or Exocet.
The Vaporesso EUC Coils Bridge by Signature Tips is a bridge for Billet Box manufactured in UK. It is compatible with the Billet Box Rev4 Boro Tank. This bridge allowing the use of EUC heads by Vaporesso.
The Airflow Reducers for North Bridge by K & R Vapour includes two airflow adjusting rings at the base of the North Smok Resistors. The first ring offers an air fraft to 0.8 mm and 1 mm, the second ring reduces the airflow to 1.2 mm and 1.4 mm
The North Bridge of the brand K&R Vapour is a bridge for Billet Box manufactured by the English moder Signature Tips, it is compatible with the Billet Box Rev4 Boro Tank. The North Bridge bridge allowing the use of Nord Smok heads.