Top MTL RTAs from 2017 to Now

My list of top MTL RTAs from 2017 to now includes:
Top MTL RTAs – 1. Aspire Nautilus 2
For many vapers, the tanks from Aspire are their first choice if they need MTL tanks. Quite a few vapers started off with these tanks. Why? Nautilus 2 is a good example. In the Nautilus series, Nautilus 2 is the latest mouth to lung 2ml tank. Therefore, it takes the best features from each product in this line.
The Nautilus 2 uses a pre-installed 0.7 ohm, latest BVC coil. The kits also include a 1.8-ohm coil. At the base of the tank, the bottom airflow adjuster helps you to fine-tune your vaping needs.
It has a shorter chimney, which can minimize airflow travel and provide you with a better flavor experience. Equipped with interchangeable coils with other Nautilus tanks, Nautilus 2 can further individualize your vaping experience.

The Nautilus 2 employs a quick and clean top-fill tank. You can simply hold the tank upright, unscrew its cap, add your favorite juice and vape away. You can drip, drop or pour your e-liquid, no fuss. The maximum capacity of the Aspire Nautilus 2 is 2ml, making it TPD compliant. The tank of Nautilus 2 has a durable construction. The outer shell help to protect the glass against bumps and scratches.
Aspire Nautilus 2 Pros & Cons
Pros
- Smooth airflow
- Innovative design
- Compact
- Great flavor
- Cross series coils
- 0.7ohm coil adds a new dimension
- Affordable price
Cons
- 2ml capacity might annoy some people.
Aspire Nautilus 2 Video Review
Top MTL RTAs – 2. Digiflavor Siren 2
Digiflavor Siren 2 is a GTA specially made for MTL vaping. This tank vapes just as good as it looks. It provides vapers with a closer sensation to smoking cigars and traditional cigarettes. The vaping community highly recommends it as one of the best mouth to lung atomizers.
The chamber of Siren 2 MTL GTA is closer to drip tip, which can provide users with intense flavor. Its nine airflow adjustment options make sure the perfect restriction. Besides, the Siren 2 MTL GTA features an upgraded build deck which is compatible with larger coils and makes building and wicking much easier. Two versions of Siren 2 are available: the 2ml 22mm TPD Version and 4.5 ml 24mm standard version.

Digiflavor Siren 2 Pros & Cons
Pros
- Super easy to build and wick
- Great build quality
- Fantastic flavor
- Fully adjustable airflow
- Affordable price
- TPD compliant version is available.
- Sleek and stylish aesthetic
- Large 4.5 ml capacity
Cons
- High profile design (44 mm)
Digiflavor Siren 2 Video Review
Top MTL RTAs – 3. Cthulhu Hastur RTA
Hastur RTA by Cthulhu is one of the most unique tanks in the market. The RTA is for mouth to lung and restricted lung hit vapers.
It is a single coil atomizer with a raised two-post build deck. A unique feature of Hastur is the adoption of interchangeable airflow resisters located at the central internal air tube below the coil heads section.
Each kit includes five swappable airflow resisters for the precise airflow intake. The Hastur adopts the new top refilling system, which makes it easy to fill the tank.
The maximum juice capacity is 3.5 ml, accessed via an ergonomic threadless design to expose the two filling ports for e-juice. What’s more, Hastur is made of food grade 304 stainless steel so vapers can feel easy to use.

Cthulhu Hastur RTA Pros & Cons
Pros
- Highly customizable airflow
- Good machining
- Super easy to install coils
- Without leaking
- Great build quality
- Looks beautiful
- Affordable price
- Two 510 tips included
- High-quality post screws
- Top fill design
- 3.5ml capacity
- Great flavor for MTL
- 5 air restrictors included.
Cons
- AFC can be hard to adjust.
Cthulhu Hastur MTL RTA Video Review
Top MTL RTAs – 4. INNOKIN Zenith MTL RTA
The Innokin Zenith MTL Tank is co-designed by Dimitris Agrafiotis and Phil Busardo to offer a flavor-focused vape experience while providing a user-friendly structure and ergonomic function.
The Innokin Zenith MTL Tank has a diameter of 23 mm and is beautifully designed with a metal sleeve exterior in order to protect the 4 ml glass reservoir. The Zenith MTL Tank is equipped with a unique twist-to-open top-filling method which exposes the large filling port for efficient wicking process. Airflow enters Tank through four adjustable air slots located at the bottom and each measure a different diameter for precision fine-tuning for desired airflow pull.
Featuring a top-fill system that also controls juice flow, the Zenith is one of the top MTL RTAs you can get on the market today.

INNOKIN Zenith MTL RTA Pros & Cons
Pros
- 2 and 4ml options are available.
- Innovative design
- Solid build
- Super easy coil swap
- Affordable price
- Without leaking
- Very easy to use
- Good coil performance
- Non-TPD version has 4 ml capacity.
Cons
- Without spare glass tank
INNOKIN Zenith Video Review
Thank you for reading dear vapers and I truly appreciate! Hope this top MTL RTAs list can be helpful while you’re looking for the MTL RTAs that suit you best! If you do not agree with my list or have better ones to recommend, please do not hesitate to leave a comment below and I will update this list after using them.

Ryan
Ryan is a writer, editor and content creator who spends most of his time bringing the interesting, entertaining, original and well-written articles to vapers. He believes that vaping is not only a healthier alternative to smoking, but also a great experience of life.