The new Uwell Crown 3 tank is a significant upgrade on the popular Crown 2. Uwell has gone to great lengths to make a genuinely better tank system to make it easier to replace coils, as well as minimise leakage.
The Crown 3 doesn't thread together from the outside like most tanks; instead, it locks together with an internal thread, using the included key (or a flat-head screwdriver). Thus reducing leakage significantly.
Similarly, coil installation couldn't be easier; rather than coils being threaded on, the push-pull Uwell Crown 3 vape coil simply press-fit with dual o-rings. Filling is also simple, with a single-turn top-fill design featuring two 3.5 x 6 mm fill ports. Dual fill ports mean no more overflowing your tank because the air can't escape your single fill hole when you're using a fat dropper.
The Crown 3 uses a new "plug-pull" coil ecosystem, and both coils included with the Crown 3 are stainless steel, meaning they can be used in wattage mode or temperature control applications! Airflow is handled by three infinitely-adjustable 2 x 11 mm airflow slots that give the Crown 3 coils plenty of air to breathe.
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