Panasonic, Sanyo and PHCBI are all the same company

Sanyo MDF-U537 Two-Door Biomedical -30C Lab Freezer 17Cf 120V FULLY TESTEDs/n 08030197

The Sanyo MDF-U537 Biomedical Freezer offers outstanding reliability and performance in a wide variety of storage and research applications with excellent safety features and easy operability. The MDF-U537 is a large capacity (17 cu ft) upright freezer, making it both economical and space-saving.The top/bottom twin door design prevents cold air from escaping, and each of the five drawers features an individual freezer circuit. Safety features include alarms for high and low temperatures and power failures, as well as self-diagnosis functions and compressor protection.