Mueller Streamline CUCPNS030 - 3 Wrought Copper Coupling, No StopSKU: CUCPNS030Mueller Streamline CUCPNS030 - Wrought Copper Coupling, No Stop.DocumentationMueller Copper Fittings for Plumbing and Mechanical Applications Submittal Data Sheet (PDF)DocumentationMueller Copper Fittings for Plumbing and Mechanical Applications Submittal Data Sheet (PDF)