1.Cthulhu RTA III comes with dual coil deck and single coil deck(1 set Cthulhu RTA III = 2 atomizers!);
2.Big building deck(dia.19.8mm/0.78in)
3.Cthulhu two-step-chimney, improving flavor.
4.Top refill,liquid flow control,and 5ml capacity
5.Huge air flow (Cross-sectional area of free air holes = Cross-sectional area of chimney)
6. Bigger wire holes (dia.3mm ).
7.Side air flow design and bigger inner dia. 7.5mm chimney.
8.Cthulhu deck swap system
9.Better industrial design and machining
10.304 food-grade stainless steel and PEEK insulator
11.Customized M3.5 hex screw,say no to strip.