I have a good condition Ten Tec 285 filter for sale. This is a 500hz filter for a 6.3mhz IF. This works in the Corsair I, Corsair II, OMNI V, OMNI VI, Delta, Paragon and Paragon II. Asking $60 shipped. Payment through PayPal is my preference, but money order is OK too. Nate/N4YDU