The VIA Freeze Duo is a single Stirling engine powered system with two SBS plates; numerous sample formats are available, with a capacity of either 96 x 2.0ml standard cryovials (suggested filling of 1.0ml) or 30-70ml of fluid in a cryobag. This unit is ideal for proof of concept experiments or low volume production and bears all the typical benefits of the VIA Freeze range: