Amazon.com: IEUYO Clip-on Ferrite Ring Cores EMI RFI Signal Noise Filter Noise Suppressor for HDMI USB POWER Cable Diameter 3mm/5mm/7mm/9mm/13mm,5Size,26PCS : Electronics
Power Cord For Phantom, Phantom DE, and Xtrasun Ballasts, 8', 240V, w/Ferrite Ring AWG 16/3