This is a PBM Inc. - 316 grade stainless steel industrial two way ball valve - PBM code 50 / ball material H / Valve size 19 (3 inch) / handle sp-d-19-4 / sp - h 19v - 3CBI / tri clover connection - approx 3.5" outside and 2.75 inside. This valve is new and has never been installed.