The PHCbi VIP PLUS Cryogenic Series -150°C ultra-low temperature freezers offer superior performance. As a cryogenic freezer or cryogenic storage space, these products provide unsurpassed uniformity in the chamber, from top-to-bottom, side-to-side, and front-to-back. The MDF-C2156VANC-PA, -150°C Cryogenic Freezer, cooling performance provides VIP Plus insulation for temperature uniformity for long-term storage, an economical alternative to LN2 storage, and maximum storage within a minimal footprint.