The black widow rda
1. Top AFC system and no leaking  
2. Top turbine fan for massive clouds and almost no noise
3. Thicker ceramic deck than fishbone plus for purer taste
4. one more extra ceramic deck for exchange
5.Available in Stainless Steel.

Black Widow RDA features
Model:Black Widow RDA
Diameter:22mm
Thread:510
Color:stainless steel
Match with:18650 Mod
Feature:Special thick ceramic base
OEM/ODM:Welcome
Packing:Unique black widow rda package
Certificates:CE. ROHS

Advantages of Electronic Cigarettes:
1. No tar or other carcinogenic substances.
2. Harmless to others or the environment.
3. No danger of second-hand smoking.
4. Can smoke in a public place