The VOOPOO PNP X EMPTY REPLACEMENT POD [CRC] designed with 5ml capacity and easy side filling system. It features 4-layer super leakage-proof, top airflow intake and adjustable airflow system. It also adopts PnP X Coil with A-Ten lifespan. Specifications Capacity: 5.0 mLE-liquid Filling: Side-filling Resistance: 0.15-0.3OHM Compatible Coils: All of PnP X Coils