I just got a SMOKtech eGo 2.5nl DCT tank. In the little bag w/ the tank was a silicon o-ring or cap or something. It fits in the end of the cartridge and it has a concave side and a flat side. What is this for?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.