# UWELL Crown 4 IV Sub Ohm Tank | wolfvapes

**UWELL Crown 4 IV Sub Ohm Tank** has a simplified threaded top-fill system with 6mL maximum capacity, and a striking visual design. Each Crown 4 coil is designed with a threaded top fill cap for quick and clean refilling and helps reduce wasting e-liquid and lessens the need for the cleaning tank. The **UWELL Crown 4 IV Sub Ohm Tank** has a visually unique design, is hand-polished at the top and bottom ends, making the airflow manipulation and unscrewing of the top fill system more easier. 

**Features:  
**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 

**Includes:  
**1 x Qty Uwell Crown 4 Tank  
1 x Qty 0.4Ω Dual SS904L Coil  
1 x Qty 0.2Ω Dual SS904L Coil  
1 x Qty Spare Pyrex Glass Tank  
1 x Qty Pack of O-Rings  
1 x Qty Drip Tip Cover  
1 x Qty User Manual  
Authenticity Code Inside Retail Packaging

## Details

- **Price:** 6.99 GBP
- **Vendor:** Uwell
- **Type:** TANKS
- **Tags:** Clearance, Tanks

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 6.99 GBP | In stock |
| Sapphire Blue | 6.99 GBP | In stock |
| Metallic Green | 6.99 GBP | In stock |
| Purple | 6.99 GBP | In stock |
| Iridscent | 6.99 GBP | In stock |
| Stainless Steel | 6.99 GBP | In stock |

## Images

- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk
- buy UWELL Crown 4 IV Sub Ohm Tank | wolfvapes at Wolfvapes.co.uk

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> Source: [Wolfvapes.co.uk](https://wolfvapes.co.uk/products/uwell-crown-4-iv-sub-ohm-tank-eliquid-base)
> Updated: 2026-06-02