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 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.
The Nautilink of the brand Velvet Vape is a bridge for Billet Box manufactured by the Greek moder Atmizoo, it is compatible with the Billet Box Rev4 Boro Tank. The Nautilink bridge allowing the use of BVC Nautilus - Aspire heads.