Krowne Lever Waste Valve, 3-1/2″ sink opening, 2″ NPS drain outlet, 1-1/2″ reducer with rubber washer, 4-1/2″ flange, stainless steel strainer & handle, 1-1/4″ overflow outlet with cap drain outlet: 2″ NPS outer threads & 1-1/2″ female inner threads (overflow outlet accepts overflow head model# 22-500 & overflow elbow model# 22-501)