Product Info Catalog Plumbing Pipe & Fittings Compression 3/8x1/4 CMP Union 3/8x1/4 CMP Union Request a Quote UPC: 719852955320 SKU: 166567 Model Number: 710082-0604 3/8" Compression x 1/4" Compression Union, Lead Free Compliant Product Which Meets Public Law 111-380, Carded.