Used 24" Diameter (51.4 Gallons, 6.5 Gallons Jacket) Estrella / Bertrams AG Basel Glass Lined Nutsche Filter, rated 50/FV @ 212 F internal, 50 @ 212 F jacket. Filter Tray with 151 holes. Bertrum Serial# 9234, National Board # 69, Estrella Serial #23691, Built 1985. Total weight 1870 lbs.