The Uwell Crown 4 Replacement Coils are authentic coils for the Crown 4 Tank. Unique to the Crown 4 Replacement Coils offers a patented self-cleaning technology that collects leftover vape juice at the bottom and vaporizes it. This will ensure you get every bit of juice in your tank and keep you from cleaning your tank frequently.
Also, the Crown 4 Replacement Coils offers a dual helix design providing improved taste, vapor, and coil longevity. EachEach Uwell Crown 4 Coil pack comes with 4 replacement coils.