How about this 5ML Cthulhu V3 RTA Tank ?

Cthulhu V3 RTA Tank, come with Cthulhu two-step-chimney, bring great flavor.



Features:
Comes with dual coil deck and single coil deck
Big building deck(dia.19.8mm/0.78in)
Top refill,liquid flow control,and 5ml capacity
Huge air flow (Cross-sectional area of free air holes = Cross-sectional area of chimney)
Bigger wire holes (dia.3mm)
Side air flow design and bigger inner dia. 7.5mm chimney
Cthulhu deck swap system
Better industrial design and machining
304 food-grade stainless steel and PEEK insulator
Customized M3.5 hex screw,say no to strip