You have a good point bud.
I am a dual coil guy so I have come to enjoy big airflow. It's actually the main reason I steer clear of single coil builds on my RDAs.
PS thanks for the suggestions. I will look into these
I waiting to hear from @paulph201 on the billow to see how that fares in terms of airflow.
The billow has slightly more airflow, I believe its 2 x 2.5mm, I love mine. The flavor and clouds are top notch with a near perfect draw