PVC DWV Reducing Coupling, 4" x 3"
PVC DWV reducing coupling with 4" x 3" hub connections, designed to join different-sized pipes in drain, waste, and vent systems. Provides a secure, leak-resistant transition while maintaining proper flow. Made from durable, corrosion-resistant PVC and complies with ASTM DWV standards. Suitable for residential and commercial plumbing installations.93















