RFI Noise Ferrite Core Filters This clipon clamp filter effectively filters electromagnetic and radio frequency interference, helping to deliver cleaner audio, video, and photography results with no signal distortion. Sizes for compatibility Available in 17 mm and 24 mm sizes, these filters are designed to fit a wide range of devices and cables, making them suitable for many applications. Easy installation with snapon design Snapon magnetic ring design allows easy installation without the need for wire locking. The wearresistant shell provides durable performance, even under temperatures. Durable and reliable performance The filter is built to withstand demanding use environments, maintaining effectiveness and longterm reliability. Use scenarios Home entertainment and multimedia setups: attach to HDMI, USB, or power cables to reduce interference and improve picture and sound quality. Professional audio and video production: use on mic cables, audio interfaces, or camera accessories to preserve clean signals and reduce noise. Industrial or outdoor environments: apply to data or power cables in harsh conditions to maintain signal integrity and reliability.