I have for sale Icom filters. FL223, a 1.9 khz for the 9 khz IF. This is for the R75. $55 shipped conus. FL222, a 1.8 khz for the 455 khz IF. This will fit the R75, IC-718, IC-703 & IC-706. $155 shipped conus. If you are interested, please e-mail me direct. Tnx----Doug ddswl at centurytel.net