Check the listing for details. Used Thermo Scientific TSX Freezer. Condition: Used. Listed at 4500.00 USD. Thermo Scientific TSX3020FA high-performance laboratory freezer has 30 cu ft capacity with a temperature range of -25C to -15C, comes with a single door and requires 115V power. - whisper quiet with a sound level of 52 dBA, has a unique V-drive technology that is designed to detect pattern usage such as door openings when a higher compressor speed is needed and periods of stability where the compressor runs at a lower speed to save energy without compromising protection-up to 50% less energy usage than conventional refrigerant models -uses natural R290 refrigerant and water blown foam-lower HVAC costs as a result of lower heat emission-easy to use microprocessor control with setpoint security and alarms-compatable with wireless monitoring systems and remote alarms-standard door locks-ergonomic door handles-optional chart recorders-37.9 x 34 x 78.5 inches (L x W x H)