The Voopoo Vthru pod cartridge has 2 pod choices with 2 different resitances, these pods fit both the Voopoo Vmate Pod and the Voopoo Vthru Pro kits. The Vthru pod cartridge offers no need to buy replacement coils as the coil comes pre-installed at 1.2ohm. With an easy and mess-free fill hole and integrated this tank is built for maximum flavour and super dense vape clouds.