The Metal Edition Fireluke 2 Tank is the updated version of the original Fireluke M Tank, with the TX1 / TX2 / TNX2 / TX3 / TX4 Mesh Coil, slide-to-open top-fill design, 360-degree e-liquid feeding, patented 90% tea fiber cotton & 10% organic cotton formula, the Fireluke 2 offers a stylistic design and great flavor compared to all the other mesh coil sub-ohm tanks in the market.