• Uwell Whirl S2 Pod replacement cartridges with 3.5 ml capacity • Designed as replacement tanks for the Whirl S2 Pod system • Compatible with the Uwell Whirl S Coil series • Bottom-fill system for easy liquid refilling • Package contains 2 replacement cartridges of 3.5 ml each • Nicotine-free product • Manufactured to provide a perfect fit and optimal performance in the Whirl S2 Pod system