5pcs Optic Fiber Attenuator SC/APC SC/UPC LC/APC LC/UPC FC/APC FC//UPC Male to Female (0, 1 to 25dB) Plug-in type

5pcs Optic Fiber Attenuator SC/APC SC/UPC LC/APC LC/UPC FC/APC FC//UPC Male to Female (0, 1 to 25dB) Plug-in type

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