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Motorola TU-440/TU-439/TU-441 MECHANICAL FILTER :
$15.50

THIS IS SOMETHING THAT CAME FROM MY FATHERS COLLECTION
IF YOU HAVE ANY QUESTIONS
I WILL TRY AND HELP.
TU-440 8kc SER 2099
TU-439 4 kc SER 0355
TU-4411 16 kc SER 1351

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