I wouldn’t go near Upscale, they upcharge exorbitantly. Go to tubedepot or tubestore for this.
For your amp, for example:
Tubedepot EH EL34 $14.98
Upscale EH EL34 $19.95
For your amp, for example:
Tubedepot EH EL34 $14.98
Upscale EH EL34 $19.95
Replacement tubes for C-J