VOOPOO VFL Pod. Itis a refillable pod cartridge with 0.8ml e-juice capacity. It comes with the ceramic coil and u-shape airflow system, which can bring you the original taste and optimal flavor. Plus the two airflow holes with different pore sizes, the VOOPOO VFL Pod can be placed accordingly to connect either airflow on both sides. No hesitation. Just get the VOOPOO VFL Pod for your VOOPOO VFL Pod Kit.