RFI Noise Ferrite Core Filters A single clipon clamp filter that effectively eliminates electromagnetic and radio frequency interference, improving audio, video, and photo results. Available in 17 mm and 24 mm diameters to fit a range of devices and wires, providing versatility across various applications. Easy installation with a snapon magnetic ring design for tool attachment no wire locking required. The wearresistant shell ensures durable performance even at temperatures. Material and durability: ferrite core construction with a wearresistant shell designed for longterm reliability in demanding environments. Practical applications: Use with cameras, camcorders, and DSLR rigs to suppress RF noise on power, data, and accessory cables. Use in video and AV setups on HDMI, USB, and other signal cables to stabilize signals and reduce interference. Use in professional audio environments with wireless transmitters and related cables to minimize RF noise and improve sound quality. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.