The Mod will seat a 25mm RDA Flush and has the 'Endless' button which allows the user to choose the style of switch they want to use.... External with lock or remove the disk and have an internal fire button....
The Mod comes complete with the Empress Stack'EM that allows you to run the mod in stacked series and the Endless Hourglass 2 RDA.
The Hourglass II RDA has fixed air flow and has proved, in testing to be perfect for both single and stacked builds.
Whats in the box: