Engine RTA OBS


The OBS Engine measuring 25mm in diameter, it features a max capacity of 5.2ml filled by side fill that OBS has become renowned for. The wicking system is integrated directly into the deck, with four 4mm diameter holes positioned in front of each post for convenient and natural wicking. The triple top airflow is incredibly leak proof while simultaneously providing excellent total airflow.


  • 25mm Diameter
  • Sliding Top Side Fill System5.2ml Tank Capacity
    • 11mm by 5mm
    • Incredibly Easy to Fill
    • Discreet
  • Isolated Build Deck and Tank Assembly
    • Locking Design
    • 30% Temperature Reduction
      • Reduced Contact Area from Base to Chamber
  • Two Post Build Deck
    • Two Post Dual Terminal
      • 2mm Diameter Terminals
      • Side Mounted Hex Screws
    • Four Subdeck Wicking Channels
      • 4mm Diameter Each
      • Rapid Wicking
  • Adjustable Top Airflow304 Stainless Steel and Quartz Glass Construction
    • 8mm by 3mm triple Airflow
    • Incredibly Leak Resistant Design
    • Advanced Airflow Circulation System
  • 6mm Bore Drip Tip

Product Includes:
  • One OBS Engine RTA
  • Additional Spare Glass Tank Section
  • Prebuilt Coils and Japanese Organic Cotton