FW4/800 Mullard genuine red lettering tall glass narrow plate full D-getter 43IU rectifiers CV31 U20

Description

Probably the best FW4/800 money can buy and made by Mullard itself!

We have shown variation of the same FW4/800 valve and the Mullard  have no rivals!

Narrow plate patented design, rugged plates with full D-ring getter.

All four valves have been tested excellent condition and working order.