Flum UT 50K Vapes

Looking for a disposable vape that actually keeps up with you? You've found it. The Flum UT 50K isn't your average throw-away device, it's basically a pocket-sized powerhouse that delivers up to 50,000 puffs, lets you toggle between two flavors on the fly, and puts you in control with adjustable airflow and power modes. Pretty wild for something that fits in your palm, right?
Whether you're a heavy vaper who's tired of constantly replacing devices, or someone who just wants variety without the hassle of juggling multiple vapes, the UT 50K was designed with you in mind. Rechargeable battery, digital display, dual tanks, all the flexibility of a mod, none of the fuss.
Quick Specs – At a Glance
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Feature |
Details |
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Puff Count |
Up to 50,000 (Eco Mode) / ~25,000 (Turbo Mode) |
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Battery |
760mAh rechargeable (USB-C) |
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Nicotine Strength |
5% (50mg) salt nicotine |
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Tank System |
Dual-tank / dual-flavor capability |
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Display |
Digital screen (battery, e-liquid levels, mode/puff count) |
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Airflow |
Adjustable (MTL to RDL) |
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Operation |
Draw-activated with button controls for flavor/mode |
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Design |
Soft, squeezable stress-relief body |
Key Features & Why They Matter
Up to 50,000 Puffs
That's not a typo. In Eco Mode, this thing just keeps going. Turbo Mode cuts that roughly in half (~25,000 puffs), but you get stronger vapor and more intense flavor. Your call on which trade-off works best for your vaping style.
Dual-Flavor System
Here's where things get interesting. The UT 50K comes with two separate e-liquid tanks, each holding a different flavor. You can:
- Vape one flavor at a time
- Switch between them on the fly
- Mix both flavors together for a custom blend
(We might be biased, but the ability to combine, say, Watermelon Ice with Blue Razz? Game-changer for flavor fatigue.)
Rechargeable 760mAh Battery
USB-C charging means you're not tossing the device the second the battery dies. Plug it in, let it charge, and keep vaping until the juice runs out. Simple.
Digital Display Screen
No more guesswork. The display shows:
- Battery level
- E-liquid remaining in each tank
- Current mode (Eco/Turbo)
- Puff count
It's like having a dashboard for your vape.
Adjustable Airflow & Power Modes
Prefer a tight MTL (mouth-to-lung) draw? Open it up for something closer to direct lung? Adjust the airflow ring to find your sweet spot. Combine that with Eco or Turbo modes for a truly personalized hit.
Soft, Squeezable Design
Okay, this one's a bit unexpected, the device has a stress-relief squishy center. Is it necessary? No. Is it oddly satisfying? Absolutely.
How to Use Your Flum UT 50K
Getting started is straightforward, but a few tips will help you get the most out of your device:
- Unbox and inspect – Remove any protective seals from the mouthpiece and airflow areas.
- Charge before first use – Even if there's some battery life out of the box, a full charge via USB-C ensures you're starting strong.
- Set your flavor preferences – Use the control buttons to adjust primary and secondary flavor intensity. Want mostly Tank A with just a hint of Tank B? You got it.
- Dial in your airflow – Rotate the airflow ring until the draw feels right for you, tighter for MTL, looser for RDL.
- Just inhale – It's draw-activated. No firing button needed. The flavor/mode buttons are just for customization.
- Monitor your levels – Keep an eye on the display. When battery's low, charge it. When juice is depleted, it's time for a new device.
Pro tips:
- Shorter, steady draws tend to preserve juice and battery better than long, aggressive pulls
- Store upright when possible
- Avoid extreme temperatures (don't leave it in a hot car!)
- Charge before the battery fully dies to maximize battery health
Explore the Flavor Lineup
The Flum UT 50K comes in an absolutely massive variety of flavors, seriously, there's something here for everyone. And remember, with dual tanks, you're really getting two flavors per device. Browse below and find your perfect pairing.
???? Fruity & Tropical
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Flavor |
What to Expect |
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Crisp aloe meets juicy watermelon with a tangy-sweet finish. Refreshing and smooth. |
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Succulent grape with mellow aloe undertones. Smooth, slightly sweet, easy all-day vape. |
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Rich, ripe mango with tropical warmth. Sweet, juicy, and bold. |
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Classic watermelon sweetness with an icy menthol exhale. Summer in a puff. |
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Two summer favorites in one. Sweet, fruity, endlessly refreshing. |
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Sweet strawberry balanced by exotic guava. Tropical without being overwhelming. |
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Tropical tartness meets mango sweetness. Exotic and juicy. |
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Juicy watermelon with a slightly sour peach twist. Sweet-tart perfection. |
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Layered tropical complexity, passion fruit, kiwi, and pineapple all playing nice together. |
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Exotic mango-peach combo. Juicy, sweet, vacation vibes. |
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Classic tropical-fruit pairing. Sweet, balanced, crowd-pleaser. |
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Peach sweetness with tart raspberry notes. Juicy and well-balanced. |
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Crisp apple duo, tart green meets sweet Fuji. Apple lovers, this one's for you. |
???? Candy & Dessert
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Flavor |
What to Expect |
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Creamy banana-strawberry gelato. Dessert-style sweetness that's smooth and satisfying. |
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Nostalgic candy vibes. Sweet gummy flavor with cherry-strawberry notes. |
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Zesty lemon candy, tart and sweet citrus that pops. |
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Bold citrus lemonade with candy-style sweetness. Tangy and addictive. |
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Sweet gummy candy with cherry undertones. Dessert-candy goodness. |
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Tart blue raspberry candy with icy exhale. Bold, refreshing, fan-favorite. |
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Tart green apple blast. Crisp, puckery, refreshing. |
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Mixed tropical fruits with vibrant sweetness. Fruity cocktail energy. |
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Creamy, candy-style strawberry. Sweet and smooth. |
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Mixed berry medley, sweet and tart berry blend. |
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Blue raspberry candy meets lemonade tang. Sweet-tart candy bliss. |
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Watermelon candy with soda-style pop sweetness. Playful and juicy. |
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Creamy banana smoothie paired with sweet strawberry. Dessert in dual-tank form. |
???? Ice & Menthol
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Flavor |
What to Expect |
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Clean, cool mint. Classic menthol done right. |
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Tart lemon slush with icy finish. Citrus meets cool. |
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Fruity strawberry-watermelon plus menthol kick. Best of both worlds. |
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Classic cola with cherry twist and icy finish. Unique and refreshing. |
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Tangy candy-style sour with citrus and ice. Zesty and invigorating. |
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Pure mint coolness. Crisp, clean, refreshing. |
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Triple berry meets blue razz candy with icy exhale. Bold and cold. |
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Fruity peach-citrus combo with candy-like profile. Sweet and tangy. |
???? Tobacco & Neutral
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Flavor |
What to Expect |
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Classic tobacco flavor for those who prefer traditional profiles. |
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Minimal flavor, discreet, clean, nicotine-focused. |
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Neutral base. For vapers who want nicotine without strong flavor. |
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Subtle, mild profiles. Low-key vaping experience. |
???? Unique Pairings & Combos
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Flavor |
What to Expect |
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Tropical-berry medley with fruity complexity. Sweet raspberry, juicy grape, exotic guava. |
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Sweet-tart pink lemonade with berry undertones. Bright and refreshing. |
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Root beer soda with creamy vanilla notes. Nostalgic soda-shop vibes. |
What to Expect: The Vaping Experience
So what's it actually like to use the Flum UT 50K day-to-day?
Consistent flavor, start to finish. The dual-mesh coil system keeps vapor smooth and flavor rich, even when you're getting toward the end of the tank. No burnt hits, no sudden flavor drop-off.
Variety without the hassle. Flavor fatigue is real. Having two flavors on deck (and the ability to mix them) means you can switch things up without swapping devices.
Serious longevity. 50,000 puffs in Eco Mode is genuinely impressive. Heavy vapers will appreciate not having to replace their device every few days. Casual users? This thing might last you weeks.
Control when you want it. Adjustable airflow, power modes, flavor mixing, you can fine-tune the experience. Or just pick a setting and forget about it. The UT 50K works either way.
Real-time transparency. That digital display removes the guesswork. You always know where you stand with battery and juice levels.
Frequently Asked Questions
What does "50K" mean?
It refers to the maximum puff count, up to 50,000 puffs in Eco Mode under optimal conditions. Turbo Mode delivers stronger vapor but roughly halves that (~25,000 puffs).
Is the battery rechargeable?
Yes! The 760mAh battery charges via USB-C. Recharge as needed until the e-liquid runs out.
Can I actually switch between two flavors?
Absolutely. The dual-tank system lets you vape one flavor at a time, alternate between them, or mix both together by adjusting each tank's intensity with the control buttons.
Does the screen show juice levels?
Yes, the digital display shows battery life, e-liquid levels for both tanks, current mode, and puff count.
Can I adjust the airflow?
Yep. The adjustable airflow lets you customize your draw from tight MTL to looser RDL-style hits.
Is this good for heavy vapers?
Definitely. The high puff count and rechargeable battery make it ideal for heavy use. You're not constantly replacing devices.
What about casual vapers?
Works great there too. Draw-activated operation, simple controls, and long battery life mean you can pick it up whenever without fussing with settings.
How do I know when it's done?
Watch the display. When both tanks are empty and flavor/vapor production drops off, it's time to properly dispose of the device and grab a new one.
Is it refillable?
No, this is a disposable device. Once the e-liquid is depleted, it's done. (But with 50K puffs, that takes a while.)
What's the nicotine strength?
5% (50mg/mL) salt nicotine, which is standard for high-puff disposables.
Who Is the Flum UT 50K For?
Heavy vapers who are tired of running through disposables every other day. The 50,000-puff capacity and rechargeable battery mean fewer trips to restock.
Flavor chasers who want variety without juggling multiple devices. Dual tanks + a huge flavor lineup = endless combinations.
Vapers who want control but don't want the complexity of mods, coils, and refills. Adjustable airflow, power modes, and flavor mixing, all in a ready-to-go package.
Beginners who want something more capable than basic disposables. Easy to use, no learning curve, but with features to grow into.
Anyone who values transparency. That digital display keeps you informed. No guessing, no surprises.
Nicotine Warning: This product contains nicotine. Nicotine is an addictive chemical. Must be 21+ to purchase. Please vape responsibly and dispose of devices according to local regulations.
