Resembling the regular 600W and 660W, the EF is a low temperature cabinet able to run at -35°C. The "EF" (extended freezer) model range comes standard with a handle for secure closing, and PMMA inner doors for maximum cold-retention during door openings. As with the regular ER and RF "W" models, the overview one gets from having a wider cabinet makes for efficient in and output. Like all the other BioPlus models, the EF600W and EF660W models can cope with anything from general purpose to mission-critical storage scenarios.

The BioPlus EF600W and EF660W are solely available as the -35°C/-5°C model, and comes with stainless steel interior and white or stainless steel exterior.

Supplied with foot pedal for door opening and 5 stainless steel wire shelves.