what type of gas this freezer used , i know its CFC free can it be more detail
Effective, fully automated thawing in lab
The Thermo Scientific cryogenic freezers maintain uniform temperatures of -140° and -150°C.
Series Models: UTL10140-9-D, ULT10140-9-V, ULT10140-9-M, ULT7150-9-D, ULT7150-9-M
Thermo Scientific™ Arctic Express™ cryogenic shippers are designed to ensure the maintenance of sample integrity.
Series Models: Arctic Express 5, Arctic Express 10, Arctic Express 10 IATA, Arctic Express 20