The Rheem AP19359A 3 in. Innoflue Flue Clamp is designed for secure attachment of flue pipes in venting systems. This clamp is made from durable materials to withstand high temperatures and ensure long-lasting performance. It is compatible with various flue systems, providing a reliable solution for both residential and commercial applications. The clamp is easy to install, making it a practical choice for contractors and DIY projects. This product meets industry standards for safety and efficiency, ensuring proper venting and exhaust management.