So-Low | Mechanical Control Upright Manual Defrost FreezerSo Low Upright Manual Defrost Freezer with Mechanical Control 30 Cu. Ft. for Labs, Medical & Industrial 20C At Alto Med Supply, we offer the So Low Mechanical Control Upright Manual Defrost Freezer, a reliable cold storage solution for laboratory, medical, and industrial environments. Designed to maintain a consistent 20C, this freezer is ideal for storing large inventories of temperature sensitive samples while maximizing floor space with its 30