Heavy-Duty No-Hub Coupling, 4"
4" heavy-duty no-hub coupling designed to join cast iron pipes in drain, waste, and vent systems. Features a reinforced stainless steel shield with multiple band clamps for maximum holding power and structural integrity. Provides a secure, leak-resistant connection ideal for high-demand commercial and industrial applications. Complies with ASTM C1277 and CISPI 310 standards.















