The VOOPOO Navi Replacement Pod Cartridge is designed for the VOOPOO Navi kit, comes with 3.8ml e-juice capacity, compatible with all VOOPOO PnP Mesh Coil. The coil resistance range is 0.1-3.0ohm. And features a bottom refill system stoppered by a silica gel plug. New upgraded magnetic suction tank, provides the simplest and most sanitary way of filling oil. 2 pieces each pack. Get it as spare for VOOPOO Navi Mod Pod Kit.