Original Wotofo Serpent RTA

https://www.youtube.com/watch?v=AsZz3L-COeQ

Main Features:

Original Wotofo Serpent RTA
Material: Stainless steel + glass
Capacity: 4ml
Diameter: 22mm
Progressive heat dissipation 
Adjustable oil absorption system, fit for all VG (Vegetable Glycerin) e-liquid
Top oil filling
Stainless steel material, red copper plating silver bottom, providing great electric conductivity
Progressive heat dissipation 
Elevation type oil system, adjustable 
Dual electrode, easy and convenient to wind the wire

http://www.smailtech.com/product/Original-Wotofo-Serpent-RTA.html

Original WISMEC Indestructible RDA Kit

WISMEC Indestructible RDA kit
303 stainless steel construction
Innovative airflow washer
Conical top cap using vortex flow technology
510 threading
22mm base diameter
http://www.smailtech.com/product/Original-WISMEC-Indestructible-RDA-Kit.html