You can fill the 31.4 Cu. Ft capacity of this PLUS HD Ultra-Low Temperature Upright Freezer from Thermo Scientific Revco and be rest assured that every single item is safe and preserved in its best condition. This unit has 1 outer & 10 inner solid doors and heavy-duty casters - 2 in. (5.1cm) locking tandem wheel designed for easy and smooth mobility while the stand-offs prevent the freezer from being placed directly against the wall, ensuring proper air circulation to prevent overheating of the unit. ULT3280-10HD-D's advanced, composite thin-wall design creates more storage without increasing cabinet footprint and its refrigeration system allows higher heat removal capacity for faster temperature recovery after door openings. The unit is environmentally friendly due to its CFC-free refrigerants. This ultra low temperature freezer has multiple alarm systems, high level construction and many more similar features that enhances the unit's functionality to give the user maximum space and reliable storage safety.