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OBS Engine Nano RTA

10 product reviews
Calculated at checkout

Product Description

OBS Engine Nano RTA

The OBS ENGINE Nano RTA features stainless steel constructio and 25mm diameter design. The Engine Nano highlights side fill design top adjustable airflow valve with an advanced airflow design. The OBS Engine Nano RTA uses single elliptical post holes design, compatible with any wire in the market.
The hidden side fill system permits you to easily refill the tank. The OBS Engine also features a top adjustable airflow valve with an advanced airflow design which reuses the airflow through the tank. The OBS Engine includes an extraordinary wick reservoir design which expands liquid flow and minimize leaks. 


  • Diameter: 25mm
  • 510 Threaded
  • Isolated Rebuildable Deck and Base to Reduce Heat
  • Single Elliptical Style Deck
  • Top Fill Design
  • Top Adjustable Airflow Design
  • Advanced Airflow Circulation System
  • Locating Slot and Bar Allows for Consistent and Accurate Performance
  • POM (Delrin) Drip Tip
  • 304 Stainless Steel Construction


Product Reviews

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  1. Nano RTA

    Posted by on

    I love my Silver OBS Nano RTA- easy to use and absolutely no leaking! Smooth transaction, quick shipping and everything arrived well packaged!

  2. Nano RTA

    Posted by on

    Great RTA easy to build on. No leaks because of the top airflow.

  3. Fast delivery

    Posted by on

    Great RTA doesn't leak at all. Fast delivery.

  4. Awesome all-around RTA

    Posted by on

    There are as many RTA designs as there are situations of use: max flavour, max cloud etc... But what about having a RTA that suits everyday life ? Something PRACTICAL that still allows you to do your own built? Well, OBS engine nano is one of the rare one doing it. Of course it is leak-free, the most needed feature for all-around RTA. But not only! This single coil has a good level of flavour and decent cloud production! Personally, after a little adaptation I love it! It's the one I'm carrying with me at all time (e.g. for work or trekking). Indeed, being a single coil it'll save you battery life... depending on you build!

  5. Great!

    Posted by on

    At first I couldn't get this tank to vape the way my old Merlin did. With a completely different air flow design it took a while to get used to. Now I'm glad I have chosen this tank, my Merlin did seep juice a little nothing major but still leaked a little. OBS Nano doesn't leak one bit, you will still have a bit juice on the outer shell after filling and changing your coil but you mod will stay dry full stop.

    Learn how to wick this and this baby produces great flavour and very nice clouds! Don't delay get one today!

  6. Perfect tank

    Posted by on

    Absolutley amazing tank would recomend to anyone easy to wick and no leaks. Never had an issue at all with this tank and quality is 5*

  7. Easy

    Posted by on

    Great little tank.very easy to build and fill. Just turn your cotton underneath the coil not in the holes perfect. Bonus points no leaks. Cons nothing i can think of.

  8. Great little rta

    Posted by on

    I bought one of these last year, I was that impressed I just bought another 2, it's easy to coil on, easy to wick and gives fantastic flavour, I would recommend wicking like a dripper though with the cotton laying snug against the juice ports rather than forced down into them, flavour wise I think it is slightly better than the standard 2 coil engine, if your thinking of buying one just do it you won't be disappointed.

  9. No leak tank

    Posted by on

    I've used these for more than 6 months ... it never leaks except for in cabin pressure on a plane ... easy to fill and wick ... great flavor and great price ... just buy 3

  10. Brilliant

    Posted by on

    This is a fantastic rta flavour is very good for a single coil I'd say the flavour is better than the cleito tank not as good as a dual rta but much better for juice consumption than a dual coil setup this thing is easy to wick but do not wick like it says in the instructions or you will arrive at dry hit city just fold the cotton under the coil to cover the wick slots DO NOT put the cotton in the juice slots just cover them, I vaped over 80ml of juice before I needed to rewick this thing excellent.

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