Offering to the amplifier builder, requiring forced air cooling 
through a  pressurized sub-chassis, a pair of brand new, flanged 
mounted  Chicago Inc.  feed-thru filament voltage capacitors  Each is 
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. These will also replace the units in the Drake L4B.   $16 pr 
shipped First Class Mail Ron W2CQM/3

http://swap.qth.com/segamida/587223.jpg