This GE 5Y3GT Electron Tube is a rare find, as it is a NOS - New Old Stock item that has never been used. It was manufactured in the United States and is a great addition for vintage audio and video enthusiasts. The brand is GE and the model is 5Y3GT. This electron tube is perfect for those who are looking to restore vintage electronics to their former glory. The item is sold as is and comes with no guarantees or warranties.