The Pyrex Glass Trophy Tank is a bottom loading coil clearomiser with a 5ml eliquid capacity. The tank is a single piece unit that features the tank and mouthpiece all in one. The Pyrex Glass Trophy tank comes with a 2.4 +- 0.2ohm atomiser head for excellent vapour production, atomiser heads are fully replaceable. Bottom loading tanks have a cleaner flavour and have reduced wicking issues. The Litejoy Pyrex Glass Trophy tank features the standard 510 connector thread. To fill the Pyrex Glass Trophy Tank: Unscrew the tanks base plate, turn the tank upside down and fill the side chamber with about 2.5 ml of eliquid. Keeping the tank upside down, screw the base plate back into place and reattach the tank to your battery or vapouriser unit. To replace the atomiser head coil unit: Turn the tank upside down to avoid accidental spillage of any eliquid in the tank and unscrew the base plate. The atomiser head coil unit is located in the centre of the base, simply unscrew it from the base and screw the new one into place. Keeping the tank upside down, screw the base plate back into place and reattach the tank to your battery or vapouriser unit. Pyrex Glass Trophy tank main features: Replaceable bottom loading atomiser head coilsEliquid capacity approximately 5mlNo leak tankCreates a large amount of vaporEasy to cleanBottom loading atomiser head coil tanks have a cleaner flavor and less wick issues