Looking for something really quiet and not too much vapor production. Although quietness is the main criteria
Sounds like you do want an mtl atty. look for anything mtl.
Less air, less noise. Less wattage, less
juice sizzling.
You will never get anything dead quiet as you need a little bit of air and sizzle for the
juice.
Something along the lines of kfun lite type of airflow.
Edit; sos, just seen the post above and I recommended an rta.
nautilus mini was fairly quiet as I remember. And cheap
