MDF-DU731 TwinGuard Chest Freezer

High-capacity ultra-low temperature storage with dual cooling for critical sample protection.

The PHCbi MDF-DC700VXC-PA is a 25.3 cu. ft. ultra-low temperature chest freezer designed to safeguard the most sensitive and irreplaceable biological samples. Part of the TwinGuard Series, this model features two independent refrigeration systems, ensuring your samples remain protected even in the event of a system failure.

Delivering precise and reliable performance down to -86°C, this freezer is ideal for long-term storage in pharmaceutical, clinical, and bioresearch environments. The durable construction, advanced insulation, and intuitive controls work together to maintain thermal stability and operational security.


Key Features

  • Dual independent refrigeration systems for continuous operation

  • Ultra-low temperatures: Maintains setpoints down to -86°C

  • Large storage capacity: 25.3 cu. ft. interior for high-volume needs

  • Advanced insulation for optimal temperature uniformity and efficiency

  • Smart control panel with visual and audible alarms

  • Built-in data logging and USB port for easy monitoring and reporting

  • Secure lid design with ergonomic handling and strong gasket seal

  • Ideal for storing critical biologicals, vaccines, and high-value samples

  • Energy-efficient, low-noise operation


When sample integrity is non-negotiable, the TwinGuard MDF-DC700VXC-PA offers double the protection, unmatched performance, and complete peace of mind.

Similar Products

Sterile Pre-Moistened Foam Tip Swabs

Ready-to-Use Swabs for Environmental Monitoring and Surface Sampling These sterile, pre-moistened foam tip swabs are designed...

Learn More

Compact Balances – Precision for Everyday Lab Weighing

Reliable performance. Compact design. Precision you can trust. The Accuris™ Compact Balances are designed to meet...

Learn More

L5181 High-Performance Undercounter Refrigerator

+2°C to +8°C Temperature Range The PR-L5181W-PA is a compact, high-performance undercounter refrigerator designed for the...

Learn More