Product Info Catalog Plumbing Pipe & Fittings Compression Adapter, Lead Free, 5/16 Male Compression x 1/4-In. FIP Adapter, Lead Free, 5/16 Male Compression x 1/4-In. FIP Request a Quote UPC: 719852954996 SKU: 166534 Model Number: 710066-0504 5/16" male compression x 1/4" female iron pipe adapter, lead free compliant product which meets public law 111-380.