Pneumatic Cheese Press. Inside dimensions: 21 in. L x 21 in. W x 16-1/2 in. H. Pneumatic cylinder activates circular press plate 10-1/2 in. diameter. Press includes removable top tray (19-1/2 in. L x 15-1/2 in. W with 3/8 in. dia. perforations) and removable bottom tray (30 in. L x 18 in. W x 2 in. H). Bottom tray sits on a 34-1/2 in. L x 21-1/2 in. H bottom base. Press has (4) caster wheels for easy positioning. Inlets/outlets: (2) 3/8 in. dia. air inlets, (1) 1-1/2 in. dia. corner drain. Overall dimensions: 48 in. L x 29-1/2 in. W x 70 in. H.