Every 22mm MTL RTA on the market says the same three things: great flavour, smooth airflow, easy to build. None of that is useful.

So here is a comparison built on something you can actually count: how many airflow options come in the box, and how much liquid the tank holds. Those two numbers tell you more about daily life with a tank than any flavour claim.

The table first, the reasoning after

Tank  |  Size  |  Capacity  |  Air options in box  |  Price

SXK 415 Virtuous  |  22 x 54mm  |  3.3ml  |  4 pins + 3-position ring  |  $24.50

Vico Style  |  22mm  |  4ml / 6ml  |  8 bottom + 7 angled (one each)  |  $23.99

YFTK Vico  |  22mm  |  4ml  |  8 bottom + 7 angled (one each)  |  $25.99

Rekavape Vico  |  22mm  |  6ml  |  3 bottom + 3 angled  |  $34.99

ULTON Hussar Avant 2.0  |  22mm  |  4.2ml  |  3 MTL + 3 DTL pins, 3 airflow types  |  $27.99

Rekavape Kuma V1.2  |  22mm  |  4.2ml  |  9 pins + 3 chamber styles  |  $31.89

ULTON Cocoon  |  22 x 36mm  |  3ml (2ml with block)  |  8 screws  |  $29.90

ULTON Baya  |  22mm  |  4.2ml  |  3 bottom + side-air kit with 5 pins  |  $31.99

ULTON Nibiru  |  22 x 33mm  |  3.1ml  |  0.8-1.8mm adjustable, 3 chimneys  |  $11.35

Why air pin count is the number that matters

An MTL tank is fundamentally a device for making a small adjustable hole. The coil, the deck and the chamber matter, but the thing you interact with every single day is the draw - and the draw is set by the hole.

A tank that ships with three pins gives you three possible draws. A tank that ships with fifteen gives you fifteen, and lets you fine-tune by 0.1mm increments instead of jumping from "tight" to "loose."

This is why the Vico platform is worth a second look. The base version ($23.99) arrives with one each of 0.8, 1.0, 1.2, 2.0 and 2.5mm bottom pins, plus a 2x1.0mm and a 4x0.8mm, plus a blank to close it entirely - and then a separate set of seven angled pins from 0.8 to 2.0mm. It is the most adjustable package in this list at the lowest price.

The Vico's 45-degree airflow: what it actually is

Most MTL tanks push air straight up the middle of the deck. The Vico pushes some of it at a 45-degree angle through a PEEK component, so the air hits the coil from below and to the side.

The ULTON Vico ($28.99) describes the design as channeling air "to an otherwise unreachable spot on the deck at a 45-degree angle." In practice, this is what gives the Vico its reputation for flavour at low power - the air arrives where the coil actually is, rather than passing above it.

Published reviews of this platform consistently describe the Vico as delivering strong flavour for its size on MTL and light RDL, with the caveat that the airflow is built for restricted draws - it is not an open-lung tank, and it is single-coil only.

Worth knowing: the ULTON Vico page states the platform offers full compatibility with BAYA components. That is a real advantage - it means chambers and parts interchange across two tank families rather than one.

If you want one tank that does MTL and DL

The ULTON Hussar Avant 2.0 is the clearest answer at $27.99. It ships with three MTL pins (1.0, 1.2, 1.5mm) and three DTL pins (2.0, 2.8, 3.4mm), and offers three different airflow types - honeycomb, the original Hussar single-hole, and a single-hole variant - selected by swapping airflow reducers.

The Full Kit at $34.99 adds a MacroTank for 6.5ml and a NanoTank for 2.5ml, giving you three capacities from one tank. If you want to carry one atomizer and change its behaviour rather than owning three atomizers, that $7 difference is the best value in this entire comparison.

If capacity is your problem

Two tanks here solve refilling anxiety:

• Vico Style at $23.99 does 4ml or 6ml from the same device.
• Rekavape Vico 6ml at $34.99 ships as the 6ml version, with a 0.9mm bottom pin and 0.9mm tilted airscrew pre-installed.

At the other end, the SXK 415 Virtuous holds 3.3ml and the ULTON Cocoon holds 3ml (or 2ml with the block fitted). Reviewers of the 415 note the capacity as its main limitation for heavy vapers - it is a tank you refill often. The trade is a shorter 54mm body and a compact chamber that concentrates flavour.

If you want to spend as little as possible

The ULTON Nibiru is $11.35. 22mm wide, 33mm tall, 3.1ml, 316 stainless, with three interchangeable chimneys and airflow adjustable from 0.8 to 1.8mm. At 80g it is the heaviest per millimetre in this list - solid steel, not thin.

It is not a tank with fifteen pins. It is a competent, simple 22mm MTL RTA at a price that makes it a reasonable second tank, a backup, or a first rebuildable for someone who is not ready to spend $30 on an experiment.

The Kuma: nine pins and three chambers

The Rekavape Kuma V1.2 at $31.89 ships with nine air pins - two each of 0.9, 1.0, 1.2 and 1.4mm plus one sealed - and three chamber styles: 45-degree, plain, and stairs. Three chambers changes the chamber volume and therefore the flavour character, in the same way the FEV's PEEK reducer does.

The Baya takes a different approach to variation: it ships with a side-air kit as standard, giving you bottom airflow, side airflow or dual airflow from one tank, with a 0.9mm side pin pre-installed and 1.0, 1.2, 1.5 and 2.0mm side pins in the box. Its product page also notes the glass tank is compatible with Kuma and Moka models - relevant if you break glass, because replacement stock is shared across those three.

What none of these tanks will do

Being straight about it: every tank in this comparison is single-coil, and none of them is a cloud device. If you want dual coils, big airflow and dense vapour, a 25mm or 26mm tank is the correct purchase - something like the Blaze Solo 2 (25mm, 3.5ml straight / 5.5ml bubble, 122 honeycomb inlet holes) or the Bonza Pro RTA (26mm, 4ml / 6ml, single or dual coil deck).

Buying a 22mm MTL tank and expecting it to cloud is how people end up disappointed with good hardware.

Which one to buy

Your situation  |  Buy

I want the most airflow options for the least money  |  Vico Style - $23.99

I want one tank for both MTL and DL, with spare capacities  |  Hussar Avant 2.0 Full Kit - $34.99

I refill too often  |  Rekavape Vico 6ml - $34.99

I want to tune flavour by chamber, not just airflow  |  Kuma V1.2 - $31.89 (3 chambers)

I want side, bottom or dual airflow in one tank  |  ULTON Baya - $31.99

I am not sure I want to spend much  |  ULTON Nibiru - $11.35

FAQ

Are the Vico clones compatible with each other?
They share the platform design but ship with different pin sets. The base Vico includes the widest range (eight bottom, seven angled); the Rekavape 6ml version ships with a smaller set - a 0.9mm bottom pin and 0.9mm tilted airscrew pre-installed, plus 1.2mm and closed options. Check the pin list on each product page before assuming they are identical.

What does the 415's "negative pressure" filling mean?
The product page describes it as dispensing liquid via negative pressure rather than gravity, so there is no need to adjust the amount of cotton to control feeding. In practice it means the tank is more forgiving of wicking mistakes than a gravity-fed design.

Why is the Nibiru so cheap?
It is a simpler design - three chimneys and an adjustable airflow range rather than a large set of interchangeable pins. It is still 316 stainless steel and weighs 80g.

Do these fit a standard 510 mod?
All of them are 22mm with 510 threading, so yes. A 22mm tank on a wide mod will look narrow - that is aesthetic, not functional.

Related reading

• Customer reviews
• All RTAs
• Replacement tanks and upgrade kits
• 510 drip tips
• Current offers
• Shipping and tracking

Browse the full 22mm MTL range at 2FDeal and pick the pin count that matches how you actually vape.