Hi, I have for sale a NOS Yaesu XF-110CN narrow CW filter 250Hz for FT-1000/990/890 in the original Yaesu box, never been in a radio. Bought it for a 1000MP but doesn't fit that radio. Asking $70 plus shipping. Please respond outside the list. 73, Rob - VE3XGB ve3xgb at sympatico.ca