The FreeZone Plus 4.5 Liter Cascade Console Freeze Dry System has ice holding capacity for light to moderate sample loads and has dual refrigeration systems for samples with low eutectic points. Its console cabinet has interior space to house a vacuum pump. It has a compact design and includes a 12-Port Drying Chamber. A vacuum pump and sample containers, such as flasks, are the only additional components necessary for a complete system.