Sold as a complete set, Spiralmate is a three-piece, self-sealing round duct connector system featuring a one-bolt closure band, providing an innovative and cost-effective solution for fast, safe, and aesthetically pleasing airtight connections. Beyond innovative design, Spiralmate offers clear advantages over traditional round connector systems. Its engineered simplicity results in a lower overall installed cost, as the complete system eliminates the need for purchasing separate components, sealants, and additional labor. Its unique one-bolt closure band not only speeds up the installation process and reduces potential leakage, but also enhances worker safety by removing labor-intensive and time-consuming screw applications. Eliminating unsightly screws and sealant creates a clean, seamless connection, ideal for architectural applications on exposed duct systems.