Black color version Hastur RDTA
Airholes align with coils
Big coil building deck(Dia. 15.5mm)
Top-side refill(Threading free)
Two juice well for easy wicking
4 juice holes are under the juice well.
Velocity style posts(Dia. 2mm wire holes)
Bigger chimney and drip tip(comes with 510 drip tip adapter)
All parts are removable,easy to clean
Build deck can be accessed without draining the tank.
Adjustable 510 pin
More info: http://www.cthulhumod.com/hastur-rdta/