These new Modfather 30mm RDAs run in either series(3 post, 4 hole) or parallel (two post with bottom feed pin) configuration! They also sport a 5mm juice well and 0.5mm airflow holes which smooths the draw as well as enhances flavour and can hold some juice!
Every RDA comes with:
Delrin chuff cap
SS AFC with ultem drip tip(810/Goon tips are compatible)
Extra screws + o-rings
Bottom feed pin and plate (converts to two-post parallel)