Wanted for K3- KBPF3 General Coverage RX Bandpass Module KFL3A-6K 6 kHz AM / ESSB, 8-pole filter KFL3A-2.8K 2.8 kHz, 8-pole filter replacement for standard 2.7 filter Possibly other options as well. Let me know what you have... Brian K3USC (since 1962) 216-848-0211 k3usc at arrl.net