For Sale - Optional filters for various modes for the FT-One, FT-107, FT-901DM, FT-707, FT-902DM, and FT-101ZD These are NOS in the original Yaesu box and packaging. XF-8.9KCN CW Mode, 300 hz width XF-8.9KA AM Mode, 6 Khz width XF-8.9HSN SSB Narrow or RTTY Mode, 1.9 Khz wide XF-8.9HSW SSB Wide, 2.9 khz wide $40 each plus postage.. 73 Bob W7AVK