Haier ULT Freezer Back Up System 

• Connect your Haier Biomedical or other ULT freezer to a liquid CO2 tank as backup security. 
• When storing clinical samples and other "one of a kind" samples, a CO2 backup system provides an additional level of protection to keep samples frozen in the unexpected event of a power outage or other electronic system failure. 
• Works with any ULT with an internal port.
• Small footprint and simple to program and operate. 
• The unit features a liquid CO2 test button to ensure the backup system is working and a low CO2 alarm system that alerts the user when liquid CO2 canister is low. 
• The unit is covered in stainless steel and the input pipe id designed for flexibility and ease of cylinder positioning. 
• A durable battery lasts up to 48 hours.