it's the same internals, isn't it? the only difference is the look and airflow.
One other difference: the Aerotank uses dual coil heads, while the PT2 uses single coil heads.
pokemom (I love your name): just in case you don't know the difference, here are some quick thoughts I'm pulling out of my... uh, out of the blue:
Single coil thoughts:
- the replacement heads are cheaper
- they're easier to rebuild (if you ever bother doing that down the road)
- slightly cooler vapor
- a little less strain on your battery so a little longer battery life
Dual coil thoughts:
- provides a warmer vape
- can produce more vapor
- they can burn through
juice faster (because there are 2 coils) so you'll refill the tank more often
Fun fact: there's also a Mini Protank 3 out, very similar looks to the PT 2, but it uses dual coil heads. And it does not come w/ air control.