A 2x1 is roughly equivalent to a simple 1.41, just obviously with different airflow distribution. I use it with the simple 1.2, with the âfactoryâ bell cap. Mine is unfortunately just a clone, but itâs still one of my favorites, with detailed flavor reproduction. I havenât had an original yet, so I canât compare, but I guess the original might be similar or even better in taste. In operation and quality, for sure 
I was already thinking of mentioning it to @Paska, because in terms of taste (flavors) and RTA choice, we might have more in common (Arcana, Cocoon), but I rarely dare to recommend anything directly without asking.