Cartridge Compatibility

**eternal** · 06-13-2008, 12:18 AM

Hi,
Im new here and i have a question that maybe someone could help me with. I have a smart fixx unit and i was wondering if the njoy cartridges fit? I'm asking because they have more flavors that i would like to try. The unit i have is a pen model
(nice piece by btw).Also if someone would be kind enough to let me know which cartridges work with what brand of ecig?

thanks

**CaSHMeRe** · 06-13-2008, 01:06 AM

hey eternal ...

from what i have seen and researched, the Njoy and Smartfixx unit are pretty much 1 in the same, with just a different label.

The cart's should be interchangeable. I will be ordering a Smartfixx cig tonight!

**UncleMidriff** · 06-13-2008, 01:19 AM

I can't tell you anything about your specific unit, but I figured I'd chime in with what info I do have:

I have the NJoy pen-style.
Crown7 cartridges do not fit it.
The cartridges from Meltrex (http://myecig.com/5201/10701.html) do fit it.

**eternal** · 06-13-2008, 03:31 AM

Thanks for your help you guys!

**leaford** · 06-13-2008, 03:31 AM

Yeah, cartridge compatability between pen models is hit or miss. A cartridge that is a faction of a millimeter too long or short will work, but not at its best. BUT, it's easy to use a pair of tweezers and pull out the filling from one cartridge and pop it into another. So order whichever cartridgges you want, and swap the wet fillings into the one you need to use.