Want a 250 Hz filter for the Corsair - 282 fits the 6.3MHz IF slot. Let me know if you have one for sale ... condx and price shipped to NC. Have a surplus 218 (8 pole 1.8kHz SSB filter for 9MHz IF slot used in Omni V thru the Orion) that I will trade or sell outright Tnx. 73/Crit/K4BXN