Spears 1/2" Schedule 40 PVC Deep Coupling with socket (SOC) nesting design. Designed to join two sections of pipe while allowing the fitting to nest inside a socket for compact installations in pressure piping systems. The deep socket configuration provides increased solvent weld surface area for a strong, leak-resistant connection. Made from durable, corrosion-resistant PVC for long service life. Manufactured to ASTM D1784 standards, NSF/ANSI 14 and 61 certified, and compliant with CSA B137.6. Ideal for industrial, commercial, plumbing, and irrigation applications.