Gutter Downpipe Clamps are designed to securely fasten and support various types of tubing, including CPVC, PB (Polybutylene), and copper tubing. For your plumbing projects or other applications that involve these types of tubing, these plastic pipe straps provide a reliable solution for securing and stabilizing the pipes in place. The  durability and easy to install functions makes them a valuable addition to your plumbing or DIY toolkit.