Oumier Wasp Nano RTA MAX is capable of holding up to 4ml e-juice and has the effort of a 5ml bubble glass tube. It features a top filling system, side adjustable airflow, and both single or dual coil configurations. The Wasp Nano RTA MAX measures 26mm in diameter and a 510 thread, the multihole airflow control coupled with two 0.28ohm prebuild coils can deliver sought-after flavor with freebase e-juice. ...