Product Info Catalog Plumbing Pipe & Fittings Brass Pipe Fitting, Barb Insert, Lead-Free Brass, 3/8 Hose I.D. x 1/2-In. MPT Pipe Fitting, Barb Insert, Lead-Free Brass, 3/8 Hose I.D. x 1/2-In. MPT Request a Quote UPC: 719852951711 SKU: 134188 Model Number: 757001-0608 3/8" hose i.d. X 1/2" male pipe thread, brass, barb insert, lead free compliant product which meets public law 111-380.