The Uwell Crown 4 IV Replacement Coils offers a highly advanced atomizer technology, featuring SS904L material and double helix mesh designs with self-cleaning technology. Features the FeCrAl UN2 Coil, SS304 UN1, and Dual SS904L. Compatible with the Crown 4 Tank.

• 0.2ohm Dual SS904L Coil - rated for 70-80W
• 0.4ohm Dual SS904L Coil - rated for 60-70W