RFI Noise Ferrite Core Filters Reduces electromagnetic and radio frequency interference to deliver cleaner audio, video, and photo results. Single clipon clamp filter provides quick, tool installation on cables and wires. Available in two sizes, 17 mm and 24 mm, for compatibility with a range of devices and cables. Snapon magnetic ring design eliminates wire locking concerns and simplifies setup. Wearresistant shell ensures longlasting performance, even under temperature conditions. Designed to be compatible with different devices and wires, offering versatile use across applications. Use scenarios On cameras, camcorders, and external microphones to minimize RF noise and improve recording quality. On AV cables such as HDMI, USB, or other signal cables in home theaters or studio workstations to reduce interference. On power or data cables in industrial, lab, or field environments to maintain signal integrity under temperatures.