Dura 817-025 2.5" Gray Schedule 80 PVC Slip x Slip 45 Degree Elbow for use in connecting two pipes together to make an angle. Using PVC connectors allows for easy assembly and disassembly without the need for specialized tools. Dura Plastics PVC is made from high quality materials and is perfect for any pool or spa. This item is not recommended for use in compressed air or gas systems.