My first pick would be the OBS crius, Bellus then MT, you really can't go wrong with any of them. Both the OBS and MT have great airflow. The ease of fill on OBS is huge plus for me. I find the Bellus and Mt to be a little more picky with wicking, the Mt massive channels can't pack enough. Performance wise obs and Mt seem to be similar, tend to like the Bellus for a cooler vape. It is hard to not wick the Bellus right, but coil placement seems to have impact on spit back leaking as the coil us right next to air intake (plus). The Crown tanks, subtank, TFV4 (still ip there), Triton, Goblin mini, and others stand by between these three. Plus for Bellus and OBS are easy access decks.
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