The METHER MDF-40H305 is a professional-grade -40℃ chest deep freezer designed for the safe, long-term storage of biological and medical samples. With a large 305-liter capacity, this model is widely used in hospitals, blood banks, disease prevention centers, research laboratories, and industrial applications requiring low-temperature reliability.
Featuring an auto-cascade cooling system, multi-layer insulation, and Dixell microprocessor control, this deep freezer ensures temperature accuracy, fast cooling, and long-term efficiency.
Medical and clinical laboratories
Blood banks and hospitals
Centers for disease control and epidemic prevention
Biotech and pharmaceutical research
Electronic and chemical industries
Designed to store:
Viruses, bacteria
Erythrocytes and leucocytes
Skin tissues (cutis)
Laboratory reagents and chemical samples
Temperature Performance
Operating temperature: -40℃
Stable control with Dixell digital controller
Microprocessor ensures accurate -40±3℃ regulation
Cooling Technology
Auto-cascade system with high-efficiency compressor
Uses CFC-free refrigerant
Simple, efficient, and low-maintenance design
Rapid pull-down at 25℃ ambient conditions
Efficient Thermal Insulation
Thick PU foamed body minimizes heat loss
Internal design with multiple independent spaces for enhanced insulation
Multi-layer sealing for improved energy conservation
Alarm System (4 Types)
Visual and audible alarms for:
High/Low Temperature
Power Failure
Sensor Error
Door Ajar
Exterior & Interior Design
Anti-bacterial and anti-corrosion color-sprayed steel exterior
Optional SUS 304 stainless steel inner chamber
Hoverable top lid with ergonomic handle
Padlock-compatible buckle for security
Access port for external monitoring devices
Heavy-duty casters with brakes for mobility
Model: MDF-40H305
Temperature Range: -40℃
Capacity: 305L
Cooling System: Auto-Cascade
Defrost: Manual
Controller: Dixell microprocessor with LED display
Refrigerant: CFC-free
Ambient Tested Temperature: 25℃
Alarm Types: 4 (audible + visual)
Mobility: Equipped with brakeable heavy-duty castors
Optional Accessories: Stainless steel racks
ISO 9001
ISO 13485
CE Approved