- Solution overview
- System Specifications
- Evaluation Criteria
- Documentation
Solution overview
The KT400D flexi-fit ultra cold is a unique temperature-controlled packaging solution within the Life Sciences and Healthcare marketplace for the transportation of deep-frozen shipments with a required internal temperature range of <-60°C / <-76°F during transit. With its unique cardboard pack outs, highly robust casing and no intervention required throughout transit the KT400D flexi-fit ultra cold container suspends products away from the dry-ice providing deep frozen, fully compliant transportation with consistent load space for +120 hours.
System Specifications
Evaluation Criteria
Documentation
KT400D Tower Flexi Fit Ultra Cold
The KT400D Tower Flexi Fit Ultra Cold is ideally suited for the transportation of:
Primary Packaging:
- Sartorius Celsius® FFT shell system
- Varying drum sizes
- RoSS® containers
- Mylar bags
- HDPE bottles
- Nalgene bottles
- Single API drums
- Clamshells
- Cryoboxes
- Cylinders
- Mueller drums
- CurTec drums
Life Science Products:
- All vaccines, including C19 vaccines and ABIs
- API & diagnostic kits
- Biopharmaceutical solutions
- Diagnostics specimen samples
- Cell lines bacteria
- Micro organisms
- Proteins and other samples and solutions
- Clinical trial kits
- Any other product requiring a stable temperature environment for transportation

Data loggers are built into all Tower containers, logging internal temperatures from -95°C (-139°F) up to 50°C (122°F). Users can get text or email notification of temperature excursions, as well as automatic data downloads throughout the transit (in-flight excluded) from loggers within range of the CX Gateway device. The loggers are built to FDA, USP, EU and WHO standards.
The KT400D flexi-fit ultra cold container is designed to be used all year round to all destinations using one packaging instruction – avoiding extra levels of complication and uncertainty within either validation or operational control.
Tower’s global network operates common processes and standards delivering consistency for customers. The network offers customers access to the complete range of Tower’s products with a local team of experts available to understand specific customer needs: this ensures that Tower delivers, where and when needed.
Tower cold chain recognise the role we play in working with our stakeholders to move from a linear supply chain to a circular one – providing a solution that supports our mutual ambition of waste reduction through reusability keeping our containers in use for longer reducing the need for disposal and recycling of temperature controlled packaging.