Offering to the amplifier builder, with a pressurized cooling tube chassis, several pair of brand new, flanged Chicago feed thru filament capacitors individually rated at 2mfd 50VDC, 50amps. Body diameter is 3/4" with an overall length of 2-3/4". Threaded both ends for easy hookup. These will also replace the units in the Drake L4B. $16pr shipped.  http:///swap.qth.com/segamida/587223.jpg