WARNING:This product contains nicotine.Nicotine is an addictive chemical.
If you have ever used an adjustable airflow vape with an airflow slider, dial, or adjustment ring, you may have wondered what it actually does.
An adjustable airflow vape allows you to control how much air enters the device when you take a puff. Changing the airflow can make the draw feel tighter or more open, which can affect the overall vaping experience.
But an adjustable airflow vape is more than simply opening or closing a small vent. Different devices use different airflow systems, including multi-level, stepless, slider, and dial designs. Airflow can also affect how a device feels when used with different vaping styles, such as MTL, RDL, and DTL.
In this guide, we will explain how an adjustable airflow vape works, the difference between fixed and adjustable airflow, how slider and dial systems work, and how airflow relates to MTL, RDL, and DTL.
In simple terms:
Less airflow creates a more restricted draw.
More airflow creates a more open draw.
Adjustable airflow allows you to choose between different levels within the device’s available range.
The goal of an adjustable airflow vape is not necessarily to use more or less airflow. It is to find the airflow setting that matches your preferred draw.
Fixed Airflow vs. Adjustable Airflow Vape
Before looking at different adjustment methods, it helps to understand the difference between fixed and adjustable airflow.
Fixed Airflow
A fixed-airflow device has a preset airflow configuration.
There is no airflow control for the user, so the device provides the same basic draw each time.
This can make the device simple to use, especially for people who do not want to adjust settings.
Adjustable Airflow Vape
An adjustable airflow vape gives the user more control over the draw.
Depending on the device, you may be able to choose between several preset airflow levels or make a more precise adjustment within a continuous range.
This can be useful because different users may prefer different draw styles.
Compared with a fixed-airflow device, an adjustable airflow vape gives users more flexibility to change the draw without changing the basic design of the device.
How Does an Adjustable Airflow Vape Work?
Not every adjustable airflow vape uses the same airflow control. The adjustment method depends on the device design.
1. Slider Airflow
A slider is one of the easiest airflow controls to recognize.
You move the slider toward one direction to reduce or increase the airflow opening.
A slider may offer either a continuous range or several defined positions.
For an adjustable airflow vape with a slider, the basic concept is:
More closed → more restricted draw
More open → more open draw
The exact result depends on the airflow design of the device.
2. Dial or Ring Airflow
Some adjustable airflow vape devices use a rotating dial or airflow ring.
Instead of sliding the control from side to side, you rotate it to adjust the airflow opening.
This design is common on some pod systems and vape tanks.
A small adjustment can change the amount of air entering the device, allowing users to fine-tune the draw.

3. Switch or Preset Airflow
Some adjustable airflow vape devices use a switch or multiple fixed positions.
For example:
Low → Medium → High
Instead of choosing any position within a range, the user selects one of the available settings.
This makes the airflow adjustment simple and easy to understand.

Stepless Airflow vs. Multi-Level Airflow
This is an important difference because stepless airflow and multi-level airflow are not the same thing.
An adjustable airflow vape may use either system depending on its design.
What Is Stepless Airflow?
Stepless airflow provides continuous adjustment.
Instead of selecting from three or four fixed positions, you can move the control to almost any position within the available airflow range.
Think of it like a dimmer switch rather than a light with only three brightness settings.
Stepless airflow:
Closed ←────────────→ Open
You can stop the control anywhere along the range.
This allows for more fine-tuning.
What Is Multi-Level Airflow?
Multi-level airflow uses predefined settings.
For example:
Level 1 → Level 2 → Level 3
Each level provides a different preset airflow configuration.
The advantage is simplicity. Instead of searching for a precise position, you can quickly choose the setting that matches your preference.
For users who want a straightforward adjustable airflow vape, multi-level airflow can provide an easy way to switch between different draw settings.
Stepless vs. 3-Level Airflow
| Feature | Stepless Airflow | 3-Level Airflow |
|---|---|---|
| Adjustment | Continuous | Preset levels |
| Available positions | Many | Three |
| Fine-tuning | More precise | Simpler |
| Operation | Manual fine adjustment | Quick selection |
| Best suited for | Users who like to fine-tune | Users who prefer simple controls |
Neither system is automatically better. They simply provide different ways of adjusting airflow.
The important thing is choosing an adjustable airflow vape with an airflow system that matches how you prefer to use the device.
What Happens When You Increase or Decrease Airflow?
Changing airflow changes the amount of air moving through the device, which changes how the draw feels.
This is one of the main reasons people choose an adjustable airflow vape instead of a fixed-airflow device.
More Airflow
Opening the airflow creates a more open draw.
You may notice:
- Less draw resistance
- More air moving through the device
- A more airy draw
- A potentially cooler-feeling draw
Less Airflow
Closing the airflow creates a more restricted draw.
You may notice:
- More draw resistance
- Less air entering the device
- A tighter draw
- A potentially warmer-feeling draw
However, airflow is only one factor. Coil design, power output, e-liquid formulation, mouthpiece design, and the overall airflow path can also affect the experience.
Therefore, changing the airflow on an adjustable airflow vape does not mean that every other part of the vaping experience will change in exactly the same way.
MTL vs. RDL vs. DTL: How Does Airflow Fit In?
This is where airflow becomes especially interesting.
You may have seen the terms MTL, RDL, and DTL when reading about vape devices. These describe different ways of inhaling.
An adjustable airflow vape can give users more flexibility when choosing a draw that fits these different styles, although the device’s coil, power output, mouthpiece, and airflow design also matter.
MTL — Mouth-to-Lung
MTL stands for Mouth-to-Lung.
With an MTL draw, vapor is first drawn into the mouth and then inhaled into the lungs.
An MTL-style draw is generally associated with:
- More restricted airflow
- Higher draw resistance
- A tighter inhale
- A smaller amount of air moving through the device
The experience is often described as being closer to the draw of a traditional cigarette.
However, MTL does not mean that every device must use exactly the same airflow setting. The actual draw depends on the device’s design.
On an adjustable airflow vape, a more restricted airflow setting may provide a tighter draw, depending on the device.
RDL — Restricted Direct-to-Lung
RDL stands for Restricted Direct-to-Lung.
It sits between MTL and DTL.
With RDL, the vapor is inhaled directly into the lungs, but the airflow is still relatively restricted compared with a fully open DTL setup.
In simple terms:
MTL → RDL → DTL
The airflow becomes progressively more open along this spectrum.
RDL can be a useful middle ground for users who want a more open draw than MTL without the very open airflow associated with some DTL devices.
An adjustable airflow vape can provide different airflow settings that allow users to explore this range, depending on the device design.
DTL — Direct-to-Lung
DTL stands for Direct-to-Lung.
With a DTL draw, vapor is inhaled directly into the lungs.
DTL is generally associated with:
- More open airflow
- Lower draw resistance
- More air moving through the device
- A more open inhale
However, simply opening the airflow does not automatically turn every device into a DTL device.
The coil, power output, airflow channel, mouthpiece, and overall device design all influence whether a device is suited to MTL, RDL, or DTL use.
This is why choosing an adjustable airflow vape does not automatically mean that every airflow setting will be suitable for every inhaling style.
MTL vs. RDL vs. DTL
| Vaping Style | Airflow | Draw | Inhale |
|---|---|---|---|
| MTL | More restricted | Tight | Mouth → Lungs |
| RDL | Moderately open | Semi-restricted | Direct to lungs |
| DTL | More open | Loose | Direct to lungs |
Think of it as a spectrum rather than three completely separate categories:
Tighter ← MTL ← RDL → DTL → More Open
Does More Airflow Mean More Nicotine?
No.
Airflow and nicotine control are separate features.
Changing the airflow does not change the nicotine concentration or nicotine setting of the e-liquid.
For example, opening the airflow on an adjustable airflow vape may create a more open draw, but it does not automatically change the device’s nicotine strength.
Some advanced devices may have a separate nicotine control system. In that case, the nicotine setting and airflow setting perform different functions.
This distinction is particularly important when a device offers both features.
In other words, an adjustable airflow vape gives you control over airflow, while a separate nicotine control system handles nicotine settings.
How to Find Your Preferred Airflow Setting
There is no universal airflow setting that works for everyone.
A simple way to find your preferred airflow on an adjustable airflow vape is to start in the middle and make small adjustments.
If the draw feels too tight:
Try opening the airflow slightly.
If the draw feels too airy:
Try closing the airflow slightly.
If the draw feels too warm:
A more open airflow may provide a cooler-feeling draw, depending on the device.
If you prefer a tighter draw:
A more restricted airflow may feel more suitable.
The key is to make small adjustments rather than immediately moving from the most restricted setting to the most open setting.
When using an adjustable airflow vape, small changes can help you understand how different airflow positions affect the draw.
How to Adjust Airflow on the AIRIS NEO 40K
The AIRIS NEO 40K features a 3-level adjustable airflow system.
Instead of using stepless airflow, the NEO 40K provides three preset airflow levels, allowing users to quickly select the setting they prefer.
The basic concept is:
Low → Medium → High
The lower setting provides a more restricted draw, while the higher setting provides a more open draw.
The NEO 40K also features 5-level nicotine control, which is separate from its airflow adjustment.
This means the two controls serve different purposes:
Airflow control: adjusts the amount of air moving through the device.
Nicotine control: adjusts the available nicotine setting.
Together, these features give users more control over how they use the device.
For users looking for an adjustable airflow vape, the NEO 40K demonstrates how multi-level airflow can provide a simple and easy-to-understand adjustment system.
Adjustable Airflow Does Not Mean Every Setting Is Right for Every User
One of the biggest advantages of an adjustable airflow vape is flexibility.
But more adjustment does not automatically mean a better experience.
A user who prefers MTL may prefer a more restricted setting. Someone who prefers an RDL-style draw may prefer something more open. A user looking for a more open DTL-style experience may want significantly more airflow, depending on the device.
The important thing is understanding what the airflow control actually changes.
Adjustable airflow gives you control over the draw — it does not change the fundamental design of the device.
Frequently Asked Questions About Adjustable Airflow Vape
What does an adjustable airflow vape do?
An adjustable airflow vape allows you to control the amount of air entering the device when you take a puff. This can make the draw feel more restricted or more open.
What is the difference between fixed airflow and an adjustable airflow vape?
A fixed-airflow device uses a preset airflow configuration, while an adjustable airflow vape allows the user to change the airflow within the device’s available range.
What is the difference between stepless and multi-level airflow?
Stepless airflow allows continuous adjustment across a range, while multi-level airflow provides several predefined settings, such as Low, Medium, and High.
What is the difference between a slider and a dial airflow control?
A slider is moved along a track to adjust airflow, while a dial or ring is rotated. Both are designed to change the size of the airflow opening.
Does more airflow mean more nicotine?
No. Airflow and nicotine settings are separate features. Changing airflow on an adjustable airflow vape does not directly change the nicotine strength of the e-liquid.
What airflow is best for MTL?
MTL generally uses a more restricted draw, but the exact setting depends on the device and the user’s preference.
What airflow is best for DTL?
DTL generally requires a more open draw, but not every adjustable airflow vape is designed for a true DTL experience.
Can adjustable airflow switch a device from MTL to DTL?
Not necessarily. Airflow is an important factor, but coil design, power output, airflow channels, mouthpiece design, and other hardware characteristics also determine how a device performs.
Does every disposable vape have adjustable airflow?
No. Some devices use fixed airflow, while others offer multi-level or stepless airflow adjustment.
If you are comparing disposable devices, checking whether a product is an adjustable airflow vape can help you understand how much control it provides over the draw.
Final Thoughts
An adjustable airflow vape is more than simply a device with an airflow hole that can be opened or closed.
It gives users greater control over the draw and can help create a more restricted, balanced, or open airflow experience.
Understanding the difference between fixed and adjustable airflow, stepless and multi-level adjustment, slider and dial controls, and MTL, RDL, and DTL makes it easier to understand what an adjustable airflow vape actually does.
If a device offers adjustable airflow, start with a middle setting and make small adjustments until you find the draw that feels right for you.
For example, the AIRIS NEO 40K uses a 3-level adjustable airflow system, giving users a simple way to adjust their preferred draw while keeping airflow control separate from its 5-level nicotine control.
If you are looking for an adjustable airflow vape, understanding these airflow systems can help you better compare different device designs and find the type of airflow control that fits your preferred draw.





