[Amps] metal cermic tube FS

[Hsu]

Hi,
  I have some NOS Chinese metal cermic tubes(JAN Grade) for sale,FU-250F(same as 4CX250FG,filament:26.5V ), $25/ea,FU-251F(same as 4CX250B, filament:6V),$25/ea,FU-100F(same as 4CX1000A),$60/ea, FU-500F(same as 4X500A), $40/ea.The tubes all  in origional paper boxes,FU-250F are matched pair.The price not include shipping cost(not too much,if send it by surface mail ,depend on distance and weight).
              73! Hsu