Mm Ferrite Core PCS Optional RFI EMI Audio Equipment Copiers Fax Machines

2/5x 5mm Ferrite Core Noise Suppression Filter Ring. Ideal for noise cancellation on USB, FireWire, Phone, Powerline, Coaxial, Audio and Video cables. Quantity: 2PCS, 5PCS (optional). clip on the cable for a clearer signal.

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