YFTK Flash e-Vapor Extreme Base Kit for FEV 4.5 / 4.5S RTA

• Compatible with Flash e-Vapor FEV 4.5 & 4.5S RTA
• Precision Extreme Base design for enhanced MTL performance
• Improves airflow accuracy and draw consistency
• Optimized coil placement for richer flavor delivery
• Ideal upgrade for MTL enthusiasts and FEV users
• High-quality YFTK craftsmanship for long-term durability