Set of 3 HITACHI Vacuum Tubes From left to right: - Model: 8EM5 - 1 tube 6AR5 - 1 tube Unknown - 1 tube - Brand: HITACHI - Type: Vacuum Tube - Condition: I've been told they are unused. They were found in my family's storage, and the outer boxes show signs of aging with dirt and tears. Please check the photos. Performance is not guaranteed due to long-term storage. No claims and no returns accepted.