The Hoshizaki GRAM Compact series is indeed known for its unique combination of being food safe, compact in size, and having excellent energy ratings.
These features make the COMPACT series highly sought after, particularly among small kitchen operators who prioritize space efficiency and don't require heavy-duty gastronorm refrigeration.
Regarding the COMPACT F420R C DR G U, it is a freezer model within the GRAM Compact series and offers a net internal volume of 265 Liters.