Offering to the amplifier builder a pair of brand new flanged Chicago Inc. feed-thru filament voltage bypass capacitors essential when forced air cooling through a pressurized sub-chassis. The capacitors are individually rated at 2mfd 50VDC 50amps. Body diameter is 3/4" with an overall length of 2-3/4". Threaded both ends for easy solder lug hookup. Flange mounting ensures RF integrity. These will also replace the units in the Drake L4B. $16 pr shipped. http://swap.qth.com/segamida/604534.jpg