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Power Pole DC Power Cord RFI/Noise Filter - up to 30dB Noise Reduction, 45 Amp Connectors - Ferrite Toroid/Ring Cores - Palomar Engineers®
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USB 2.0 Cable Cord w/ Inline Noise Filter, Type A Male to Male [USBWIRE1] - $4.99 : Auber Instruments, Inc., Temperature control solutions for home and industry
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Amazon.com: Clip-on Noise Filter,VSKEY [10pcs 7.0mm] Anti-interference High-Frequency Ferrite Core Choke Clip for Speakers,Video,Radio,Amplifier,Home Audio Device Noise Suppressor (0.27 inch Inner Diameter) : Electronics
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