Frostte Dry Ice Machine is ideal for tissue preservation, specimen shipping, biological manufacturing, industrial processes, ice cream, food samples, frozen meats/seafood, and classroom demonstrations. Frostte Dry Ice Machine creates solid Co2 blocks in two minutes or less at your convenience. Simple operation requires no batteries, accessories or secondary procedures. Frostte Dry Ice Machine includes everything needed to make uniform, ready-to-use . Required cylinders of liquid Co2 complete with siphon are readily available from industrial gas dealers or welding supply houses.