COLLINS MECHANICAL FILTER - 500 kHz cF, 8 POLE Start Price USD 35.00 Current Price USD 35.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Sunday, August 24, 2008 End Time Sunday, August 31, 2008 Location Tucson, AZ See more about 'COLLINS MECHANICAL FILTER - 500 kHz cF, 8 POLE' Description This is an 8 pole - 500 kHz Collins Mechanical Filter, PN F500 Z 4 6713 - 526 9377 00.  The The in/out impedance is 1000 Ohms. As with all other of my items, shipping is via USPS Priority mail.  No other warranty implied.  Place a Bid!