RadioShack Snap Choke Core

Catalog #: 2730069

$2.99

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Here is an effective, easy-to-use EMI/RFI fighter. Just snap the 16x29.5x5mm ferrite core over coax cable, AC or audio cord. It prevents electro-magnetic interference (EMI) and cuts down on radio-frequency interference (RFI).

Parts Warranty: 90 Days