The OUMIER Bombus RTA is a newly designed 24.5mm rebuildable tank atomizer by OUMIER. And the Bombus RTA mainly features easy single coil build deck and adjustable bottom airflow design, which can bring optimal vaping flavor to you. And the 3.5ml/2ml optional e-liquid capacity offers an easy way to enjoy your puff. You just need to rotate the top cap, and then inject the e-liquid through the slot. So the OUMIER Bombus RTA is really an ideal rebuildable atomizer for DIY vaping fun.


Size: 24.5mm x 34.5mm(drip tip excluded)
24.5mm x 44.5mm(drip tip included)
Coil Resistance: 0.4ohm
Capacity: 3.5ml(Standard Edition)/ 2ml(TPD Edition)
Drip Tip: 510

24.5mm diameter with 3.5ml/2ml capacity
Big deck for easy single coil building
Unique adjustable bottom airflow system
Easy slide top refill design

It comes with

Standard Edition

  • 1 x OUMIER Bombus RTA 3.5ml
  • 1 x Spare Parts (one 0.4ohm coil included)
  • 1 x Organic Cotton
  • 1 x Extra Glass Tube 2ml


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