I have a model 288 crystal filter (fits Omni-V, Omni-VI, Omni-6+, Corsair I and II) that I'd like to trade for a CW filter; either a model 282 (250 Hz for the 6.3 MHz IF) or a model 217 ( 500 Hz for the 9 MHz IF). Please contact me at _n7qs at aol.com_ (mailto:n7qs at aol.com) if you're interested.