Cartridge Wax Heater(Triple) The Triple heater consist of three single heater, with docketing facility on the bottom, can be connected with each other, suitable for all 100ml standard cartridge wax Ideal for the beauty spa, salon or mobile therapist Fully adjustable heat control Portable system for stylists Thermal insulated 'easy grip' heater Magnetic base unit for stable ease of use Protective roller head cover.