Vandy Vape Pulse BF Squonker Mod, is the brand new Squonks Mod from Vandy Vape. It can compatible with the 18650 and 20700 battery. The Vandy Vape Pulse BF  Mod is the best squonker box to fit for your RDA. With the compact size, easy refill, more safe and good price, the Vandy Vape Pulse BF mod will be the good choice for you.
 
Features:
Connection Threading: 510 
Unregulated squonk box mod
Copper contacts (No wires)
Compatible with 18650 and the new 20700 batteries
8ml food grade silicone bottle with a stainless steel cap