Product Info Catalog Plumbing Pipe & Fittings Copper 1 x 1/2-Inch Copper Reducer Coupling With Stop 1 x 1/2-Inch Copper Reducer Coupling With Stop Request a Quote UPC: 685768202929 SKU: 739204 Model Number: W 61051 1-Inch x 1/2-Inch, Reducer Coupling With Stop, Copper x Copper.