Designed for use with JetStream and Tornado cable blowing systems, this cable seal efficiently accommodates cables ranging from 18 to 20mm in diameter, specifically sized at .71 to .79 inches. Packaged in sets of ten, these seals are color-coded in gold with two lines for easy identification, ensuring a streamlined installation process. The cable seals not only enhance the effectiveness of your cable placement tasks, but they are also integral to maintaining the integrity of your system during operation. Whether you're a professional in the field or managing cable installations, these accessories provide a reliable solution for your cable blowing needs.