Have 2 500hz. cw filters for the following Kenwood radios:
TS940/TS450/TS690/TS850/TS950 and the TS570 series.
They are plugin filters and are as new.

YK88C-1 500hz filter $70. shipped CONUS

YG455C-1 500 hz filter $85. shipped CONUS

Email for more information
Thanks for reading
Dick K9RT