The BL-7 is a bit larger than the standard CryoCube™ which increases the cryogenic hold time to 7 days and triples the capacity to 115 .5cc straws. These units are perfect for short distance shipping or moving samples around your repository. Charges in 2 hours 7 day hold time Weighs 13 lbs. when fully charged Can be used in any orientation without sacrificing temperature or hold time Safe for international shipping; IATA Dangerous Goods Regulations Exempt (Special Provision A152) Welded construction for added integrity IN STOCK!!!