Ultra-Low Temperature Storage Freezer | RoSS.ULTF
RoSS.ULTF is an upright ultra-low temperature storage freezer for frozen drug substances in different sizes. The ultra cold storage freezer keeps the desired set point temperature down to -80°C.
It is compatible with RoSS® Shells to protect your bioprocess containers. It offers highest storage density, is fully movable and can be modularly adapted to your individual needs.
Features and benefits of RoSS.ULTF
- Ultra-low temperature storage freezer long-term cooling of drug substances down to -80°C
- Contains up to 300L of drug substance
- Insulated utra low freezer storage containers for
- Great relief for ultra-cold room storage capacities due to its high storage density and stackability of RoSS shells
- Fully modular and customized interior
- Ease of use for loading: place loaded Trolleys or Racks as a whole inside
- Seamless transitions between deep-freezing (RoSS.pFTU) and shipping (RoSS.SHIP) or thawing in an end-to-end process
The missing link between two extremes

As a modular and efficient Ultra-Low Temperature (ULT) storage freezer, it is the perfect solution for all requirements. It outperforms both, conventional upright laboratory freezers and walk-in freezers and cold rooms thanks to its advantages for all biomanufacturing companies; full temperature control thanks to reliable air temperature conformity and a highly modular interior that can be equipped with shelving systems to store all available single-use bags and bottles.
Simply place pallets into RoSS.ULTF - without changing the regulation-intensive infrastructures. Thus RoSS.ULTF enables modular and easy-to-install cold room storage capacity that smartly fills a gap for the biopharmaceutical industry between small-scale low storage density lab freezers and large but expensive and fixed walk-in freezers.
Advantages of RoSS.FRDG to other solutions in the industry
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Conventional Lab Freezer | RoSS.ULTF Ultra-low Temperature Storage Freezer | Walk-in Freezer & Cold Room | Comments |
| Temperature Control |
⁓ |
✅ |
× |
Reliable Air Temp Uniformity of ±3°C and wide-ranging setpoints with RoSS.ULTF |
| Storage Density |
⁓ |
✅ |
✔ |
Pallets, racks and other packaging in shelves to be stored efficiently |
| Modularity |
⁓ |
✅ |
✔ |
Customized shelving systems for sizes of primary packagings |
| Cost effectiveness |
✔ |
✅ |
⁓ |
Simple installation and maintenance of RoSS.ULTF without change of infrastructure |
| Back-up plan |
✔ |
✅ |
⁓ |
Digital alarming management and long holding of temperature in case of failure |