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Engine 2 RTA by OBS

5 reviews
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Product Description

The OBS Engine 2 is a great easy to build RTA. The build deck on the Engine is perfect for dual coils, with 4 post holes and wide cotton chambers. The OBS uses a smart airflow system that is designed to improve the flavour and includes an easy top fill system, making refilling the tank a breeze.


  • 2ml Capacity
  • 26mm Diameter
  • Duel Coil Build Deck
  • Easy Top Side Fill
  • Stainless Steel Construction
  • Adjustable Top Airflow

Package Contents:

  • 2x Coils and Cotton
  • 1x Spare Glass
  • 1x Accessory Kit
Customer Reviews
4.6 Based on 5 Reviews
5 ★
4 ★
3 ★
2 ★
1 ★
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OBS Engine 2

Very good RTA and good service from Gray Haze

Lyn S.
United Kingdom

Excellent Product. Excellent Service

Purchased the OBS based on reviews and it has not disappointed. The deck takes a little getting used to but well worth putting the time and effort in for a smooth, tasty vape. Excellent service as always from Grey Haze, they are my go-to retailer when purchasing hardware

Mark J.
United Kingdom

Engine 2 great RTA

Excellent reasonably priced rta, no leaks innovative design which remains easy to wick. Definitely one of the best RTAs out there

Carmelo L.
United Kingdom

Best RTA I've bought!

I have used a lot of different RTAs, including the Serpent SMM and Kensei. Although the latter is on my regular rotation, the OBS 2 is just amazing. I did get the coil position wrong on my first attempt. But on the second, I made sure the coils were sitting low and as far towards the airflow ridge as possible. Did this and the flavour popped! The whole tank is fiddly, but that's why I bought it - I found building on this rta fun and will continue to find it just as fun. The draw is tighter than most, but not restrictive in terms of flavour. It's a smooth draw and doesn't produce a lot of cloud, which is perfect when I'm out in public. The flavour is amazing. Had my Donut King in the first time and it was like I was drinking the eliquid - just amazing. Another thing I love about this rta and I think it's because of it's top airflow is this rta doesn't produce spitback like ALL my previous rtas, including the two aforementioned. And of course, no leaking which again, suits me when I put it in my bag! When I get a silver mod, I will defo buy the silver one. Although the black one is my favourite! Just a great rta!


Not as good as I hoped

Building the Engine 2 is different but not hard, flavour and vape production are good, but there's just something that doesn't quite hit the spot for me. Only a good=3 stars tanks for me. The Engine Nano is still one of my favourite tank though only single coil,but I still prefer it

John P.
United Kingdom