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!