Filters

This RL Drake R-4C  FL-500,  500 Hz CW Filter Has been Tested in a Drake R-4C Receiver, and is in good Condition.  The Foam that Drake put under the filter brackets has made the writing hard to read.  

This Ten-Tec Model 245 CW Filter, is for the 540 & 544 Triton IV Transceiver. It is New , with the manual.