These TFV12 X4 pre-built atomizer heads come from a long line of cloud-producing, flavor-enhancing beasts. The entire line of V12 coil heads each provide your sub-ohm tank with top performance, producing giant clouds at high wattages! These 0.15? quad coil heads provide you with SMOK’s signature “deep and rich cloud taste” that is unrivaled in this industry. These top notch vapor producers come pre-wicked with organic cotton and perform best with high-powered mods, with a recommended best range between 60W-170W for optimal performance.