The 4 PVC 2PC 45 Elbow Socket Duct by Spears MFG COMPANY is engineered for efficient airflow in duct systems. This elbow fitting features a 4-inch diameter and a 45-degree angle, allowing for smooth directional changes in piping. Constructed from durable PVC, it offers excellent resistance to corrosion and wear. This fitting complies with SMACNA standards, ensuring compatibility with industry requirements. Ideal for HVAC and ventilation applications, this elbow fitting is essential for maintaining optimal airflow and system efficiency in residential and commercial settings.