20 years of professional production of copper hose splitter , lifetime guaranteed , bolted components . Inlet & outlet will never fall even after extensive use. After many months of lab trials, our expert engineers have completely reconstructed critical components of the splitter. The 2 spouts are now fastened with metal bolts, and won’t disconnect. The neck is affixed with threads, forever anchoring the two parts. The copper two-way hose splitter is a classic style，it never gets old.