The Uwell Caliburn A2 Replacement Pods are designed for use with the Uwell Caliburn A2 Sub-Ohm Pod System. They offer 2mL of e-Liquid capacity and feature Pro-FOCS Technology, which provides optimum flavor and intense steam production. The pods come in packs of four with 0.9ohm UN2 mesh coils preinstalled for optimal performance. Each pod is equipped with a 0.9-ohm coil, which provides a smooth vape experience and great flavor production! The pods also feature an easy top fill design that allows you to quickly add your favorite e-liquid into each pod.