Communication Solutions>Accessories>Filters & Line Noise Filters KLF-2 Line Noise Filter View Details PG-3B DC line noise filter View Details Product archive » Filters & Line Noise Filters YF-107C 500Hz CW Filter for TS-480HX/SAT YF-107CN 270Hz CW narrow filter for TS-480HX/SAT YF-107SN 1.8 kHz SSB narrow filter for TS-480HX/SAT KIF-2 2.7KHz SSB Filter LF-30A - discontinued Low-pass filter for HF operation (100 watts max power) YK-88C-1 - discontinued 500 Hz CW Filter (non-EU) YK-88CN-1 - discontinued 270 Hz CW Filter for 8.83 MHz IF (non-EU) YK-88SN-1 - discontinued 1.8 kHz SSB Narrow Filter (non-EU)