"CENTER SCREW CLOSING DEVICE,MAX FILTRATION PRESSURE 200 PSIG; 8 IRON PYRAMID PLATES,0.5 IN. RECESS,DESINGED FOR SEWED CENTER CLOTH; 3 IRON FRAMES,0.5 IN. THK; 3 IRON FRAMES,1 IN. THK; 1 IRON PYRAMID SLIDE HEAD PLATE,0.5 IN. RECESS; 1 IRON DUMMY PLATE; 18 0.5 IN. STEEL 200 PSIG VALVES FOR DISCHARGE FROM EACH SIDE OF PLATE; 52.75 IN. L,15 IN. W,17.5 IN. H,DISTANCE BETWEEN MTG LEGS PARALLEL TO LENGTH 34.5 IN."