| Vacuum Tube, NOS, Sylvania, JAN 5U4 GB, Black Plate | $4.99 |
| Tube boxes for EL37/6L6GC/6L6/5V4/5U4/5AR4/GZ32/U52/ | $4.50 |
| Tube boxes for EL34/ 6L6gc/5V4/5U4/5AR4 | $4.00 |
| HAMMOND BY SYLVANIA 5U4GB AMPLIFIER RECTIFIER TUBE 5U4 | $5.99 |
| 5U4 GB 5U4G 5U4GB USN CHS SYLVANIA VACUUM TUBES PAIR | $9.99 |
| NINE VINTAGE GE 5U4 MCINTOSH AMP RECTFIER TUBE | $27.00 |
| 5U4 GB 5U4GP Radio Tubes 5 Vacuum Tubes Test Exc | $9.99 |
| Lot mixed Rectifer tubes 5U4's RCA, GE ST shaped | $12.00 |
| LOT OF 3- 5U4 G- DELCO, RCA RADIO TUBES | $49.99 |
| ONE TUNG-SOL 5U4 VACUUM TUBE - | $7.06 |
| 5U4G Tube 4ea JAN-CNU-5U4G NatUnion VT-244 Tubes 5U4 | $123.00 |
| Lot of 22 tubes: 5u4, 5v4, VR150, VR90, VR105, 45, more | $13.59 |
| SYLVANIA 5U4 GB 5U4GB SHOULDER TYPE TUBE | $4.99 |
| 5U4 GB- RAD-TEL RADIO TUBE | $9.99 |
| New Sovtek 5U4 Rectifier Tube | $9.99 |
| RCA 5U4 GB BLACK PLATE TUBE * | $14.99 |
| 7 GE RCA SYLVANIA 5u4 5U4g 5U4ga 5u4gb Tubes | $11.50 |
| Three (3) Sylvania 5U4GB black plate vacuum tubes 5U4 | $7.99 |
| 8 TUBE AMP DAMPERS FOR 6550/300B/6L6/6L6GC/5U4/5881/2A3 | $9.99 |
| Sovtek EH 5U4 Audio Tube Used Tests Good NR | $9.95 |