(BEST PRICE) EF42 NOS (4 for $29.99)
$ 29.99
4 tubes for $29.99
EF42 Amperex France branded Holland NOS
10) Amperex France
2) Ultron
See more: vacuum tube
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 EF42 NOS (4 for $29.99)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/2999_4_d4a69266-584e-48c6-aab5-76e715600c40.jpg?v=1575619956){kind=link}
 EF42 NOS (4 for $29.99) "Pin It")
4 tubes for $29.99
EF42 Amperex France branded Holland NOS
10) Amperex France
2) Ultron