Manifold Freeze Dryer is used as a cold trap for single or multiple units designed to handle the lyophilization needs of research and pilot plant laboratories. The unit has a freeze-drying chamber size of ɸ260 × 450mm, 0.3L loading capacity / shelf, total loading capacity of 1.2L. The refrigerant R600a + R290 + R23 used are fluorine free refrigerants using air cooling system for freeze drying process. They offer the ability to stabilize and preserve numerous biologicals in laboratory research.