This vintage SYLVANIA 5Z3 VT-145 vacuum tube is a rare find for any HiFi radio enthusiast. Its JAN CHS designation is a testament to its quality and durability. Made in the United States, this tube has a hanging filament and has been tested to ensure it's in working condition. Perfect for vintage electronics collectors or those looking to upgrade their HiFi radio, this tube is a must-have for any audio enthusiast.Satisfaction guaranteed returns accepted Lot B2