4 ft. heavy-duty stainless steel connector with 5/8 MIP (Male Iron Pipe) x 5/8 MIP on each end Two 5/8 OD (Outer Diameter) flare x 1/2 MIP tapped with 3/8 FIP (Female Iron Pipe) adapters 5/8 OD flare x 3/4 MIP tapped with 1/2 FIP adapter Supplies up to 106,000 BTU (British Thermal Unit)/hour Leak-test solution Pipe-thread sealant