XC 20 Cryogenic Sample Storage (879 x 1/2cc Straws)XC 20 Cryogenic Sample Storage (879 x 1 2cc Straws) Chart MVE XC Series tanks are manufactured to a world class level of excellence. These durable, lightweight units can be relied on to perform in the most demanding of environments. The XC Series is designed for the user who requires large capacity storage and low liquid nitrogen consumption in a convenient lightweight package. Features Designed for large capacity storage Low liquid nitrogen