Ten Tec nation, I have a 218 filter excess to my needs from a radio sale. This is a 1.8 kHz, 8 pole filter utilized in the 9 mHz position. The filter is used in the following radios: Omni B,C, V, VI, VI plus, and the Argosy. $70.00 which includes shipping U.S.P.S. Priority Mail. Contact me off list. 73's, Scott N2WF