The Vandy Vape Pulse 22 BF RDA has a unique leak-resistant tubular side direct airflow, which is creative and makes vaping smoother. The deck is easy to build with 2 big Philips screws on the side, and it supports single wide gauge building. There is a squonk pin at the bottom of the atomizer, you can fill the e liquid through the pin. So it is a good way to avoid leakage and oil wasting. 
Main Features: 
● Unique leak resistant tubular side direct airflow
● Bottom filling design 
● Comes with wide bore drip tip 
● Material: stainless steel 
● Thread: 510 
● Diameter: 22mm