Copper alloy and high temperature stainless steel, unique design of the preheating device allows for a strong firepower; boiling 1L/33.81oz. water in only 3.5 minutes (climate may affect boiling point time). The inside of the pump is equipped with a wear-resistant device. Polymer crystals used on the copper nozzle absorbs oils minimizing use of the filter and significantly reduces the risk of clogging. The oil bottle is made with unique craft technology making is safe and durable. The bottle has a weight bearing capacity of 80kg/176.37 lbs. of vertical pressure. Axis of rotation of adjustable taper design makes use safe and prevents leaks.