That is TRUE√
Between the Sophia, Diver and the Killer (all three Carto-RBA's) ~
get the Sophia. I have used them all and can confirm it is the best.
Why?
1. Made exceptionally well. Better materials, finish and build quality (similar, but higher than the Killer).
2. Vapes amazingly better than all three and definitely better than the Diver (double the VTF).
3. Flavor at it's best. Yes, in the 'taste' front it has beaten my Kayfuns (that
'pulsating' thing might be at it).
4. Never leaks. The juice control is a boon (and works at that!). However, I've never closed it yet ~ no drops too.
5. Adjustable Air-Hole. Yes, the air intake can be fine tuned thru the 510 screw (makes a subtle difference).
6. Easiest setup. No 'lining' of the coil vs air-hole. No guess work at length of wick ends. No cutting required too (does itself).
7. Pressure/Vacuum proof. Yes, it performs well whether the tank is full or near depleted.
8. Can be used without an external drip-tip. Has an optional built-in DT top tube, or a carto cap can be used on the stock tube.
9. Rebuilding can be done without dismantling the entire RBA from the tank.
10. Can be effectively used on both - XL and standard tanks. One size/device fits them all.
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Here's my take on it at Leo's (the modder's) official ECF thread >Post#129<.