These are the ones you are looking for, I have them in basket as mine has started to wear out.
http://www.fasttech.com/products/1536600
But obviously you need them now.
Thought I share this on the forum if anyone whats to help convert someone that is pressed for cash!
http://catchoftheday.co.za/G-Get-Hooked-on-our-eCigarette-Special-Deals
Some great deals on the starter kits!