No-Hub Reducing Coupling, 4" x 3"
4" x 3" no-hub reducing coupling designed to connect different pipe sizes in drain, waste, and vent systems. Constructed with a flexible rubber sleeve and stainless steel band clamps to ensure a strong, leak-resistant connection. Compatible with cast iron, PVC, or ABS piping. Meets ASTM C564 standards. Ideal for residential, commercial, and industrial plumbing applications.















