Extendable system for use with 100ml Wax Cartridges Caronlab Australia's Professional Cartridge Heater is the most versatile heating system designed for 100ml wax cartridges. Ideal for beauty salons and mobile therapists the heater provides confidence and control for an efficient waxing experience. Compact, portable and lightweight the unique base station design enable units to be plugged together with ease, so you can extend your unit to suit your salon, having multiple heaters using one power cable. Heating in minutes, the system enables an easy roll-on application which saves you time. Comes with a 12 month warranty.