Oxbar M20K Disposable
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$35.25
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The OXBAR M20K by Rocky Vapor is a mid-capacity disposable with adjustable wattage, a feature typically reserved for open pod kits and mods. It holds 20mL of e-liquid at 20mg/mL nicotine salt, delivers up to 20,000 puffs in Normal Mode, and allows wattage to be dialled anywhere from 12W to 28W for precise control over vapour and flavour intensity. The 1.0Ω dual mesh coil, adjustable airflow, 900mAh rechargeable battery, and Mega LCD screen round out a well-equipped device at $35.25.
At a Glance
- Up to 20,000 puffs (Normal) or 10,000 puffs (Boost at 28W)
- 20mL prefilled tank at 20mg/mL nicotine salt
- Adjustable wattage 12W to 28W (not just preset modes)
- 1.0Ω dual mesh coil
- Mega LCD screen showing live wattage, e-liquid, and battery
- 900mAh battery with USB-C charging
- Adjustable airflow (MTL to DTL)
- 25 flavours including unique profiles not available elsewhere
OXBAR M20K Full Specifications
| Spec | Details |
|---|---|
| E-Liquid Capacity | 20mL (prefilled) |
| Puff Count | Up to 20,000 (Normal), up to 10,000 (Boost at 28W) |
| Nicotine Strength | 20mg/mL (nicotine salt) |
| Coil Type | 1.0Ω dual mesh coil |
| Wattage Range | 12W to 28W (adjustable) |
| Battery | 900mAh (USB-C rechargeable) |
| Display | Mega LCD (wattage, e-liquid level, battery level) |
| Airflow | Adjustable (MTL to DTL) |
| Safety | Child lock feature |
| Activation | Draw-activated |
| Flavours Available | 25 |
12W to 28W Adjustable Wattage
Most disposables offer two or three preset modes. The M20K provides a continuous wattage range from 12W to 28W, allowing output to be fine-tuned to preference rather than forcing a choice between fixed presets.
Normal Mode (12W to 24W)
Smoother, cooler draws with lower vapour volume. Maximizes puff count up to 20,000 puffs. Best for all-day, efficient use.
Boost Mode (24W to 28W)
Warmer, denser vapour with intensified flavour and throat hit. Reduces puff count to approximately 10,000 puffs. Best for a stronger experience.
The current wattage setting is displayed on the Mega LCD screen in real time. This level of wattage visibility is uncommon for a disposable; most devices with modes do not show the actual wattage value on screen.
Dual Mesh Coil and Adjustable Airflow
The 1.0Ω dual mesh coil uses two mesh heating elements for even heat distribution across the e-liquid. Paired with the adjustable airflow system, the M20K can be set up for either a tight mouth-to-lung (MTL) draw or a looser direct-to-lung (DTL) pull. Combined with the wattage control, this provides a wide range of draw profiles: from a cool, tight, low-wattage MTL hit to a warm, open, full-power DTL cloud.
Mega LCD Display
The display shows three data points: current wattage, remaining e-liquid level, and battery charge. The screen activates on draw, with no button press required. Between the wattage readout and e-liquid tracking, device performance is always visible.
25 OXBAR M20K Flavours
🎨 See All 25 Flavours
Banana Blackberry Melon
Blue Razz
Blue Razz Lemon
Caribbean White
Dragonfruit Lemon
Fresh Mint
Grape GB
Grape Ice
Grape Peach
Lemon Lime Ice
Mint BBG
Orange FT
Peach Canada D
Peach Ice
Raspberry Lemon
Raspberry Watermelon Ice
Route
Sour Peach GB
Strawberry CC
Strawberry GB
Strawberry Kiwi Ice
Super Classic
Super Sour
Super Sour Mango
Watermelon GB
The M20K lineup includes several profiles not found on other devices: Route, Peach Canada D, Caribbean White, Super Classic, and the GB series (Grape GB, Sour Peach GB, Strawberry GB, Watermelon GB), which carries a distinct flavour profile. Non-iced options include Blue Razz, Banana Blackberry Melon, Grape Peach, Raspberry Lemon, and several others.
OXBAR M20K vs OXBAR G42K
Rocky Vapor also makes the OXBAR G42K, which shares the same 20mL capacity and 900mAh battery but upgrades the coil, puff count, and adds adjustable nicotine control. Here is how the two compare.
📊 Full Comparison Table
| Feature | OXBAR M20K | OXBAR G42K |
|---|---|---|
| E-Liquid | 20mL | 20mL |
| Puffs | 20,000 | 42,000 |
| Battery | 900mAh | 900mAh |
| Coil | Dual mesh | Triple mesh |
| Wattage | 12W to 28W adjustable | Adjustable |
| Nicotine Control | No | Adjustable |
| Airflow | Adjustable | Adjustable |
| Screen | Mega LCD | Mega LCD |
| Flavours | 25 | 35 |
| Price (VTW) | $34.75 | $35.00 |
The G42K is the newer model with a triple mesh coil, over double the puff count, adjustable nicotine control, and 10 more flavours for just $0.25 more. The M20K's advantage is its specific flavour lineup (25 options not fully replicated on the G42K, including the GB series and unique profiles like Route, Peach Canada D, and Caribbean White). On spec alone, the G42K offers more for essentially the same price.
Frequently Asked Questions
How many puffs does the OXBAR M20K last?
Up to 20,000 puffs in Normal Mode (12W to 24W) or approximately 10,000 puffs in Boost Mode (24W to 28W) from a 20mL e-liquid capacity. Higher wattage settings consume e-liquid faster. Actual count depends on wattage setting, draw length, and frequency.
How does the adjustable wattage work?
The M20K allows wattage to be set anywhere from 12W to 28W. Lower wattage (12W to 18W) produces cooler, smoother draws with less vapour. Higher wattage (24W to 28W) produces warmer, denser vapour with stronger flavour and throat hit. The current wattage is displayed on the Mega LCD screen in real time.
Does the M20K have adjustable nicotine like the G42K?
No. Adjustable nicotine output is exclusive to the OXBAR G42K. The M20K is prefilled at 20mg/mL with fixed nicotine delivery. If adjustable nicotine is important, the G42K is only $0.25 more.
What does the child lock feature do?
The M20K includes a child safety lock that prevents the device from firing when activated. This is a safety feature designed to prevent unauthorized use. Refer to the included instruction manual for how to engage and disengage the lock.
Can I use the M20K for mouth-to-lung and direct-to-lung?
Yes. The adjustable airflow supports both styles. Tightening the airflow produces a restrictive MTL draw (similar to a cigarette). Opening it up provides a looser DTL pull with more vapour. Combined with the 12W to 28W wattage range, the M20K can be set up for a wide variety of draw profiles.
Should I get the M20K or the G42K?
On spec alone, the G42K is the better value: triple mesh coil, 42,000 puffs (vs 20,000), adjustable nicotine control, and 35 flavours (vs 25), all for $0.25 more. The main reason to choose the M20K is to access a flavour only available on the M20K (such as Route, Peach Canada D, Caribbean White, or the GB series).
Is the OXBAR M20K rechargeable?
Yes. The 900mAh battery recharges via USB Type-C. Recharging will be needed multiple times over the life of the device since the 20mL tank outlasts a single battery charge.
Can I buy the OXBAR M20K online in Canada?
Yes. The OXBAR M20K ships free across Canada on orders over $75 and qualifies for free same-day delivery in Regina, Saskatchewan Monday through Friday on orders placed before 3pm. It is also stocked at all 15 Vaping The Way retail locations across Saskatchewan and Alberta.
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