The Machlett tube is a reliable electrical product that can generate up to 900 watts of electricity. This product benefits anyone who needs a practical electrical solution for a radio. All of the main components that power the Machlett in order to produce high voltage levels are fully protected. Dust and other environment elements can't access the wiring because everything is secured within a strong, durable tube. A Machlett tube can be used to replace an inefficient 3-500z product.