Oxbar M20K
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$34.75
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$34.75
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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 lets you dial the wattage 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 $34.75.
Specs
| 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 – 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 |
12–28W Adjustable Wattage
Most disposables offer two or three preset modes. The M20K gives you a continuous wattage range from 12W to 28W, letting you fine-tune the output to your preference rather than choosing between fixed presets.
Normal Mode (12–24W)
Smoother, cooler draws with lower vapour volume. Maximizes puff count — up to 20,000 puffs. Best for all-day, efficient use.
Boost Mode (24–28W)
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, so you always know exactly where you're running. This level of wattage visibility is unusual for a disposable — most devices with modes don't show the actual wattage value.
Dual Mesh Coil + 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, you can set up the M20K for either a tight mouth-to-lung (MTL) draw or a looser direct-to-lung (DTL) pull. Combined with the wattage control, this gives you a wide range of draw profiles — from a cool, tight, low-wattage MTL hit to a warm, open, full-power DTL cloud.
Mega LCD Screen
The display shows three data points: your current wattage, your remaining e-liquid level, and your battery charge. The screen activates on draw — no button press needed. Between the wattage readout and e-liquid tracking, you always know how the device is performing and when it's time to charge.
25 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 unique 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 carry a distinct flavour profile. Non-iced options include Blue Razz, Banana Blackberry Melon, Grape Peach, Raspberry Lemon, and several others.
M20K vs. G42K — Same Brand, Different Specs
Rocky Vapor also makes the OXBAR G42K, which shares the same 20 mL capacity and 900mAh battery but upgrades the coil, puff count, and adds adjustable nicotine control. If you're deciding between the two, here's how they compare.
📊 OXBAR M20K vs. OXBAR G42K
| Feature | OXBAR M20K | OXBAR G42K |
|---|---|---|
| E-Liquid | 20mL | 20mL |
| Puffs | 20,000 | 42,000 |
| Battery | 900mAh | 900mAh |
| Coil | Dual mesh | Triple mesh |
| Wattage | 12–28W adjustable | Adjustable |
| Nic 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). If you're choosing between the two on specs 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 (12–24W) or approximately 10,000 puffs in Boost Mode (24–28W) from a 20mL e-liquid capacity. Higher wattage settings consume e-liquid faster. Actual count depends on your wattage setting, draw length, and frequency.
How does the adjustable wattage work?
The M20K lets you set the wattage anywhere from 12W to 28W. Lower wattage (12–18W) produces cooler, smoother draws with less vapour. Higher wattage (24–28W) 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 to you, 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. Tighten the airflow for a restrictive MTL draw (similar to a cigarette). Open it up for a looser DTL pull with more vapour. Combined with the 12–28W wattage range, you can set up the M20K for a wide variety of draw profiles.
Should I get the M20K or the G42K?
On specs 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 if you specifically want a flavour that's only available on the M20K (like Route, Peach Canada D, Caribbean White, or the GB series).
Is the OXBAR M20K rechargeable?
Yes. The 900mAh battery recharges via USB Type-C. You'll need to recharge multiple times over the life of the device since the 20 mL tank outlasts a single battery charge.
Can I buy the OXBAR M20K online in Canada?
Yes. Vaping The Way ships free across Canada on orders over $75.00, and offers free same-day delivery in Regina, Saskatchewan Monday through Friday.
How fast is shipping?
Does it come with a warranty?
What happens if I don't like it?
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