Model: ZCAT1325 - 0530. 10x TDK Ferrite Core Noise Suppressor Filter Ring 5mm Dia Cable Clip On Wire RFI EMI. • 10x TDK 5mm Ferrite Core Noise Suppressor Filter Rings. • Great for cutting noise on USB, Firewire, Phone, Power Cord, Coaxial, Audio and Video Cables.
