Mouth to Lung Vaping: What MTL Means and How to Choose the Right Setup

A mouth to lung vape (MTL) is an inhalation style where vapour is first drawn into the mouth and then inhaled into the lungs, mimicking the way most people smoke a cigarette. This guide explains what MTL means, how it differs from direct-to-lung vaping, which devices and e-liquids work best for this style, and practical tips for adults transitioning from smoking.

Understanding the mouth to lung vape technique is essential for beginners because it directly affects device choice, e-liquid selection, and the overall experience. This article focuses on education and practical guidance.

What Is Mouth to Lung Vaping?

In a mouth to lung vape, the user takes a controlled draw from the device, holding the vapour in the mouth briefly before inhaling it into the lungs. This two-stage process is similar to the way traditional cigarettes are smoked, which makes MTL the preferred style for many transitioning smokers.

The defining characteristics of MTL vaping include:

• Tighter airflow: MTL devices have smaller airflow holes, creating more resistance during the draw.
• Lower power: Typically used at 5 to 20 watts, producing less vapour than DTL setups.
• Higher nicotine compatibility: MTL works well with higher nicotine strengths (6 to 20 mg/ml) because the vapour volume per puff is smaller.
• Discreet clouds: Vapour production is modest, making MTL suitable for public or indoor use.
• Cigarette-like sensation: The draw resistance and throat hit closely mimic the feel of smoking.

MTL vs DTL: What Is the Difference?

There are two primary inhalation styles in vaping. Understanding both helps you choose the right setup:

For a broader comparison of device types that suit each style, see our guide on disposable vapes vs pod systems.

Which Devices Work Best for MTL?

Pod systems

Pod systems are the most popular MTL devices. They use pre-filled or refillable pods with coils above 1.0 ohm and built-in batteries. Their compact size, simple operation, and cigarette-like draw make them ideal for beginners.

Disposable vapes

Most disposable vapes are designed for MTL vaping. They come pre-filled, pre-charged, and require no setup. The airflow is factory-tuned to simulate a cigarette draw. Disposables are the easiest way to try MTL vaping without investing in hardware.

MTL tanks

For experienced users who want more control, MTL tanks attach to a mod and offer adjustable airflow, replaceable coils, and the ability to choose any e-liquid. They require more knowledge but offer better flavour and customisation.

Vape pens

Some vape pens with higher-resistance coils can be used for MTL. They sit between pod systems and tanks in terms of complexity and performance.

Choosing the Right E-Liquid for MTL

The e-liquid you choose significantly affects the MTL experience:

PG/VG ratio

For mouth to lung vaping, a 50/50 PG/VG ratio or a higher PG blend (60/40 or 70/30 PG/VG) is recommended. PG carries flavour well, provides throat hit, and has a thinner consistency that works with the small wicking holes of MTL coils. High VG e-liquids are too thick for most MTL devices and can cause dry hits or flooding.

Our guide to PG/VG ratios and nicotine strengths covers this topic in depth.

Nicotine strength

MTL devices produce less vapour per puff than DTL devices, so higher nicotine concentrations are appropriate and well-tolerated. Common MTL nicotine strengths include:

• Freebase nicotine: 6 to 12 mg/ml (higher than 12 mg may be harsh)
• Nicotine salts: 10 to 20 mg/ml (smoother at higher concentrations)

Flavour profiles

MTL vaping tends to produce more concentrated flavour per puff because the vapour is denser and warmer. Tobacco, menthol, and fruit flavours are popular choices for MTL users.

Tips for Transitioning Smokers

If you are switching from cigarettes to a mouth to lung vape, the following tips can help:

1. Start with a device that mimics a cigarette

Disposable vapes and pod systems are the closest to the cigarette experience. Their tight draw and compact size make the transition feel familiar.

2. Choose the right nicotine strength

If you smoke fewer than 10 cigarettes per day, start with 6 mg/ml freebase or 10 mg/ml nic salt. For heavier smokers, 12 mg/ml freebase or 20 mg/ml nic salt may be more appropriate. Adjust based on whether cravings are managed.

3. Take slow, steady puffs

MTL works best with a gentle, deliberate draw lasting 3 to 5 seconds. Sharp, aggressive pulls can flood the coil or produce a burnt taste. For solutions to common taste issues, see our guide on why your vape tastes burnt.

4. Be patient with the transition

Vaping delivers nicotine differently from smoking. It may take a few days to find the right device, strength, and technique. Do not rush the process.

5. Gradually reduce nicotine if your goal is to stop

Once you are comfortable with vaping, you can step down nicotine strengths over weeks or months. Our guide to quitting smoking with vaping outlines a step-down plan.

Common MTL Problems and Solutions

Dry hits or burnt taste

This usually means the coil is not getting enough e-liquid. Ensure the coil is properly primed before use, and avoid chain-vaping (taking many puffs in quick succession). Let the wick re-saturate between draws.

Leaking

MTL devices can leak if overfilled, if the coil is loose, or if the device is left in a hot environment. Always fill to the indicated line and check that all connections are tight. For more causes and fixes, see our vape leaking troubleshooting guide.

Weak flavour

If the flavour seems muted, the coil may be nearing the end of its life, or the e-liquid may be too high in VG for the device. Try a fresh coil with a 50/50 PG/VG e-liquid.

Gurgling sound

A gurgling noise indicates excess e-liquid in the airflow. Remove the pod or tank, blow through the mouthpiece gently to clear the airway, and wipe any liquid from the contacts.

Is MTL Better Than DTL?

Neither style is objectively better. MTL is generally preferred by:

• Beginners and transitioning smokers
• Users who want a cigarette-like experience
• People who prefer discreet vapour production
• Users of higher nicotine e-liquids

DTL is preferred by:

• Experienced vapers who enjoy large clouds
• Users who prefer lower nicotine strengths
• People who enjoy the technical aspects of vaping
• Cloud chasers and hobbyists

Key Takeaways

• Mouth to lung vaping mimics the draw of a cigarette, making it ideal for transitioning smokers.
• MTL uses tighter airflow, lower power, and higher-resistance coils than DTL.
• The best MTL devices include pod systems, disposables, and MTL tanks.
• For MTL, use 50/50 PG/VG e-liquids with 6 to 20 mg/ml nicotine depending on your needs.
• Transitioning smokers should start with a familiar device and adjust nicotine strength based on cravings.
• Common MTL problems (dry hits, leaking, gurgling) have straightforward solutions.

MTL Coil Types Explained

The coil is the heart of any vape device, and MTL coils are specifically designed for the mouth to lung vape style:

Standard MTL coils (1.0 to 1.8 ohm)

These are the most common MTL coils. They operate at low wattage (5 to 15 watts) and produce a tight, cigarette-like draw. Compatible with 50/50 PG/VG e-liquids and nicotine strengths up to 20 mg/ml.

Mesh MTL coils (0.8 to 1.2 ohm)

Mesh coils use a flat strip of mesh material instead of a round wire. They heat more evenly, producing better flavour and longer coil life. Some mesh coils blur the line between MTL and restricted DTL.

Ceramic coils

Ceramic coils use a porous ceramic material around the heating element. They tend to last longer and produce cleaner flavour, but heat up more slowly. Not all devices support ceramic coils.

Rebuildable coils

Advanced users can build their own coils using resistance wire and cotton. This offers maximum customisation but requires significant knowledge and practice. Not recommended for beginners.

How to Adjust MTL Airflow

Many MTL devices offer adjustable airflow, allowing you to fine-tune the draw resistance:

1. Fully closed: Very tight draw, closest to a cigarette. Best for high nicotine strengths.
2. Slightly open: Balanced draw with moderate vapour. The most common MTL setting.
3. Half open: A looser MTL draw that approaches restricted DTL. Good for lower nicotine strengths.
4. Fully open: The device may function as a DTL vape. Not recommended for high nicotine e-liquids.

Finding the right airflow setting is a personal preference. Start with a slightly open setting and adjust in small increments until the draw feels comfortable.

MTL Device Maintenance Checklist

Proper maintenance extends coil life and ensures consistent performance:

• Prime new coils: Apply a few drops of e-liquid directly to the coil’s wicking material before first use. Wait 5 to 10 minutes before vaping.
• Clean contacts regularly: Wipe the connection points between the pod/tank and battery with a cotton swab to prevent residue buildup.
• Replace coils proactively: MTL coils typically last 1 to 2 weeks. Replace when flavour deteriorates or vapour production decreases.
• Store upright: Keep your device upright when not in use to prevent leaking.
• Avoid extreme temperatures: Do not leave your device in a hot car or direct sunlight, especially in UAE summer conditions.

Choosing Between MTL Disposable and Refillable

For adults in the UAE, the main MTL device categories are disposables and refillable pod systems. Each has trade-offs:

Frequently Asked Questions

Can I use a DTL device for MTL vaping?

Generally no. DTL devices have large airflow holes and low-resistance coils that produce too much vapour for MTL style. Even with airflow closed down, the experience will not match a dedicated MTL device.

What wattage should I use for MTL?

Most MTL coils perform best between 5 and 20 watts. Check the recommended wattage range printed on the coil or in the device manual. Starting at the lower end and gradually increasing is the safest approach.

How long do MTL coils last?

With proper priming and regular use, MTL coils typically last 1 to 2 weeks. Sweet or dark-coloured e-liquids may shorten coil life because they leave more residue on the wicking material.

Is MTL vaping cheaper than DTL?

Generally yes. MTL devices use less e-liquid per puff, and coils tend to last longer because they operate at lower temperatures. Over time, this can result in significant cost savings compared to high-wattage DTL setups.

References

1. Vaping360 — MTL vs DTL: Vaping Styles Explained
2. NHS — Using e-cigarettes to stop smoking
3. GOV.UK — Nicotine vaping in England: 2022 evidence update