OBS Engine Nano RTA - Two Post


OBS Engine Nano RTA - Two Post

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The OBS Engine Nano RTA is the progressive evolution of the Engine series, presenting a flavor-enhanced platforms within a compact chassis that excels at both flavor recreation and unique airflow deliver. The Engine Nano RTA measures 25mm in diameter, capable of holding an impressive juice reservoir of 5.3 milliliters, filled via OBS' signature sliding top side-fill port. The Engine Nano expands upon OBS's original Engine platform, catering to a flavor orientated output within the isolated deck design, featuring a build deck cutout that ensures efficient assembly of wicking properties and user-friendly efficiency. The unit implements a two-post, single terminal design upon the 17mm build deck, top secured via flathead Hex screws for single coil configuration. The wicking system is integrated directly into the deck, with two diameter holes positioned in front of each post for convenient and natural wicking. Maintaining performance capability, the Engine Nano RTA integrates a unique top airflow delivery system, where air channel enters the system through triple adjustable airslots at the top cap. This process funnels down airflow to create an effective passage to the atomizer core, providing ample cooling properties for maximal throttle during high-performance configurations. Elevating the flavor-orientated atomizer tank segment with great versatility and rangy performance capability, the OBS Engine Nano RTA is a phenomenal compact system designed for advanced builders.

OBS Engine Nano RTA Features:

  • 25mm Diameter
  • 5.3mL Juice Reservoir
  • Superior 304 Stainless Steel Construction
  • Pyrex Glass Reinforcement
  • Two-Post, Single Terminal Design
  • Top-Secured via Flathead Hex Screws
  • Single Coil Configuration
  • Deckmilled Negative
  • PEEK Insulator
  • Two Wicking Ports
  • Unique Airflow Circulation System
  • Triple Slotted Top Airflow Control
  • Redirected Air Channel 
  • Convenient Slide-to-Open Side-Fill Gasket
  • POM Widebore Drip Tip - Food-Grade
  • 510 Connection


  • 1 OBS Engine Nano RTA
  • 1 Replacement Glass Tube
  • 1 Allen Key
  • 1 Cotton Pad
  • 1 Prebuilt Coil
  • Spare Parts and O-Rings