Connect no-hub cast iron drain pipe securely with this Black Swan no-hub coupling. Manufactured to CISPI 310 standards, this coupling features a neoprene gasket sleeve conforming to ASTM C564 and 300 series stainless steel clamps for corrosion-resistant, long-lasting connections in drain, waste, and vent systems.

• For connecting no-hub cast iron pipe in drainage systems
• Conforms to CISPI standard 310
• Gasket sleeve meets ASTM C564
• 300 series stainless steel band and clamps
• Approved for underground installation
• Size: 4"