Capac Rehau 1/2" The Capac Rehau 1/2" is a high-quality water pipe fitting designed to provide a secure connection between two pipes. It is made from strong, durable materials and is designed to withstand the pressures of water flow. The Capac Rehau 1/2" is easy to install and is suitable for a wide variety of applications. It is a reliable and cost-effective solution for plumbing and water system needs.