Hi Everyone, I have the following Ten Tec optional filters for sale. -- TT #218 SSB 1.8 Khz 9 Mhz NAR position -- TT #220 SSB 2.4 Khz 9 Mhz NAR position --TT #282 CW 250 Hz 6.3 Mhz position --TT #288 SSB 1.8 Khz 6.3 Mhz position These are all priced at $60 each (expect the #282 which is $65.00) shipped USPS CONUS. Please email with your interest or questions. 73 de N1LQ-Dave