Uwell Crown IV Tank

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Uwell Crown IV Tank


The Uwell Crown 4 IV Sub Ohm Tank is the latest tank to be released from the acclaimed best tank manufacture in this industry. The Uwell Crown 4 Tank introduces a new line of Crown coils with material improvements, a simplified threaded top-fill system with 6mL maximum capacity, and a striking visual design. The Uwell Crown 4 presents a brand new patented self-cleaning technology within the atomizer core of the new Crown line of coils, absorbing excess eJuice into a condensation holder for later vaporization during usage. This helps reduce on wasted eJuice and lessens the need to clean the detachable structure of the tank. In addition, within the atomizers is the patented Pro Flavor Core Optimization System, or Pro-FOCS for short. This system recycles the in-taken air twice through the core of the atomizer to saturate the recycled draw with additional flavor from the vaporized eJuice. Also, the Crown IV Tank hosts a simplified quarter-turn threaded top fill system for faster refills and less downtime between cloud chucking sessions. Furthermore, the Crown 4 has a visually striking design, being hand-polished and knurled at the top and bottom ends, making airflow manipulation and unscrewing of the top fill system even easier.


  • Uwell Crown 4 Sub Ohm Tank

  • 28mm Diameter

  • 5mL Standard Glass Tank Capacity

  • 6mL Bubble Glass Tank Capacity

  • Superior Stainless Steel Construction

  • Pyrex Glass Reinforcement

  • Quarter Turn Threaded Top Refill System

  • Uwell Crown 4 Coil Line

  • 0.2Ω Dual SS904L Coil – Rated for 70-80W

  • 0.4Ω Dual SS904L Coil – Rated for 60-70W

  • Dual SS904L Coil – Corrosion-Resistance

  • Double Helix Mesh Coil – Heats Evenly, Better Flavor

  • Self Cleaning Technology

  • Pro-Flavor Optimization Core System

  • Dual Knurled Adjustable Bottom Airflow Control Ring

  • Gold-Plated 510 Connection

  • Detachable Structure

  • Available in Black, Sapphire Blue, Metallic Green, Irisdescent , Purple

What’s Included

  • 1-Qty Uwell Crown 4 Tank

  • 1-Qty 0.4Ω Dual SS904L Coil

  • 1-Qty 0.2Ω Dual SS904L Coil

  • 1-Qty Spare Pyrex Glass Tank

  • 1-Qty Pack of O-Rings

  • 1-Qty Drip Tip Cover

  • 1-Qty User Manual

  • Authenticity Code Inside Retail Packaging




Free delivery on orders above £20. Orders placed before 11am Monday to Friday will be processed on the same day. Orders placed after 11am will be processed on the next working day.

Any order made on Friday after 11am will not be dispatched until the next working day (usually Monday unless its a Bank Holiday). 

No orders are dispatched on weekends however you may receive a dispatch notification once the postage label has been generated.


All orders under £20 will be charged at £2.99. Orders placed before 11am Monday to Friday will be processed on the same day. Orders placed after 11am will be processed on the next working day.

Royal Mail First Class : £3.99

Next Day Delivery : £7.99

Please note: The above are delivery aims, not a guaranteed timescale. You may receive your parcel earlier or later.

The courier that we use is Royal Mail, they will update the tracking number once they attempt delivery.

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