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For more than 70 years, Thermo Scientific Ultra-Low Temperature Freezers have been protecting and preserving some of the world’s most valuable biological samples. Our portfolio of -80° and -40° cold storage products are built to deliver uncompromising reliability and dependability because we know your samples are priceless and irreplaceable. But our obsession with freezer performance doesn’t end with reliability, it starts there.

Through deep experience and collaboration with customers at leading labs around the world, our ULT freezers incorporate advancements in energy efficiency, sustainability, storage space optimization and ergonomics that make them as easy to use as they are dependable.
Protect your samples with ULT chest freezers
A greener alternative wiith outstanding performance

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ISO Class 5.5
TSX and TDE Series ultra-low freezers have been independently tested and designated by Underwriters Laboratories (UL), in accordance with ISO 14644-14:2016, to meet the International Organization for Standardization (ISO) Class 5.5.