Fish file refrigerators are the ones that are usually used to keep fish fresh. They tend to have a low temperature and high humidity level. This helps in keeping the fish fresh for a long time. While stainless steel fish file refrigerators are the most common option, there are also options made from plastic and other materials. They are constructed with a solid or a mesh door, and most models come with a built-in compressor. A fish file refrigerator is made up of special materials which absorb odors and keep the fresh food inside fresh for a longer period. This refrigerator also has a mechanism to keep the temperature inside the refrigerator stable. The best fish file refrigerators come with an adjustable thermostat, an alarm, and a transparent door. Some come with a dedicated fish door, while others have a sliding or fold-out door. These appliances have various features, including adjustable shelves, LED lighting, and climate control. You can also find ones with a combi function that works as a regular fridge or those with a separate compartment for storing meat.