National Union 6P7G Valve Tube Used USA
Untested fully as I don't have the input data/incompatible with my B&K Dyna Jet Model 606.
Filament test has passed. I assume to be good as from an ex-engineers stock.
I will accept returns if not working! Buyer pays return postage.
UK shipping with MyHermes Tracked or Royal Mail.
International shipping with Royal Mail International Tracked.
I will combine postage on multiple valve orders. See my other listings!