Adjustable air control and direction flow outer cap. By lining up different hole configurations, it can produce 1, 2, or 4 adjustable sized vent holes depending on your build
Entire outside of atty is negative post. Wires are secure by removable stainless steel ring
Deep juice well (approx. 4.1mm)
PE 510 drip tip with stainless steel accent
Unique side vented drip tip to prevent spit back from coils and create vortex inside of cap