What is RDA? RBA?
Rebuildable Dripping Atomizer (RDA) – You directly drip e-liquid on the wick/coil, it does not hold a lot of liquid at a time. You have to refill liquid more often, but it is easier to make and change out coils, wicks, and customize the Ohm output.
Rebuildable Atomizer (RBA) – Rebuildable atomizers vary in design. Some have fabric wicks, while some use mesh and kanthal. Rebuildable atomizers are meant to save on cost and be readily fixable.

The newest trend in the vaping world, a lot of people have been getting turned onto rebuildable dripping atomizers and rebuildable tank atomizers to get better flavor and to produce more vapor. When getting into this do-it-yourself ‘hobbyist’ level of vaping, no matter how experienced you may be, the priority of you and everyone around you is, and should be, safety.