Used Perrin Overhead Filter Press with Plate Shifter, Model 200-S-48. (108) Lenser 1200mm recessed chamber plates. 225 Psi operating pressure, ambient operating temperature. 2707 sq. ft. filter area. 135 Cubic foot filter volume. 36mm (1 3/8") cake thickness, polypropylene (PP) filter plate. Mfg. 1996.