Amazon.com: Konohan 20 Pieces Ferrite Bead Clip on Ferrite Core Ferrite Noise Supressor Ferrite Rings RFI EMI Noise Filter Cable Clip for USB Video Data Cable, 0.11/0.19/0.27/0.35/0.51 Inch Inner Diameter, Black : Electronics
IEC C13 Mains Power Cable with Ferrite Filter to UK Plug Kettle Lead 3m