Hello to the list, I have three TenTec filters for sale. #216 is 500 Hz BW 9 mHz CF, #219 is 250 Hz BW 9 mHz CF, and #285 is 500 Hz BW 6.3 mHz CF. $65 each includes USA or Canada shipping. Please reply off list. Thanks for reading and 73 to all, Mike W2IY