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uWell Crown 4 IV Sub-Ohm Tank Sub Ohm Tank uWell Iridescent


uWell Crown 4 IV Sub-Ohm Tank (Clearance)

7.95 $ 39.99

The UWELL Crown 4 IV is a definitive flagship vape tank structure, presenting another line of Crown coils with materials upgrades, a rearranged strung top-fill system with 6mL most extreme limit, and striking visual plan. The Uwell Crown 4 exhibits a pristine protected self-cleaning innovation inside the atomizer core of the new Crown line of coils, retaining overabundance eJuice into a buildup holder for later vaporization during utilization. This diminishes squandered eJuice and decreases the need to clean the separable structure of the tank. What's more, inside the atomizers is the licensed Pro Flavor Core Optimization System or Pro-FOCS for short. This system reuses the in-taken air twice through the core of the atomizer to immerse the reused draw with extra flavor from the vaporized eJuice. Likewise, the Crown IV Tank has a disentangled quarter-turn strung top fill system for quicker refills and less personal time between cloud tossing sessions. Besides, Crown 4 has an outwardly striking plan, being hand-cleaned and knurled at the top and base closures, making airflow control and unscrewing of the top fill system much simpler.

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uWell Crown 4 Replacement Coils


  • 28mm Diameter
  • 5mL Standard Glass
  • 6mL Bubble Glass Tank
  • Superior Stainless Steel Construction
  • Pyrex Glass Reinforcement
  • Quarter Turn Threaded Top Refill System
  • Uwell Crown 4 Coil Line
  • 0.2ohm Dual SS904L Coil - rated for 70-80W
  • 0.4ohm Dual SS904L Coil - rated for 60-70W
  • 0.25ohm SS304 UN1 Coil - rated for 55-65W
  • 0.23ohm FeCrAl UN2 Coil - rated for 60-70W
  • Dual SS904L Coil - Corrosion-Resistance
  • Double Helix Mesh Coil
  • Self Cleaning Technology
  • Pro-Flavor Optimization Core System
  • Dual Knurled Adjustable Bottom Airflow Control Ring
  • Gold-Plated 510 Connection 
  • Detachable Structure


  • 1 x uWell Crown IV (4) Tank
  • 1 x Spare Glass Tube
  • 1 x 0.4ohm Dual SS904L Coil 
  • 1.x 0.2ohm Dual SS904L Coil
  • 1 x Pack of O-Rings
  • 1 x User's Manual
  • 1 x Drip Tip Cover

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uWell Crown 4 IV Sub-Ohm Tank (Clearance) has a rating of stars based on reviews.