Flexible Design Allows Built-In Or Freestanding Use In 20" Wide Spaces Etl-S Listed For Commercial Use Save Time And Energy With Low Maintenance Automatic Defrost Factory Installed Lock Provides Security You Can Count On Includes A Hospital Grade Cord With A 'Green Dot' Plug Jet Black Exterior With Adjustable Glass Shelves Included Accucold By Summit Appliance Offers A Wide Range Of Undercounter All-Refrigerators For General Purpose Storage. The Commercially Listed Ff521Blbi7 Series Features High Performing 20" Wide All-Refrigerators Designed For Built-In Use In Commercial Applications. The Etl-S Listed Ff521Blbi7 Features A Full 4.1 Cu.Ft. Capacity. This Jet Black Refrigerator Includes A Reversible Door With An Easy-To-Clean Flat Interior Liner. A Factory Installed Lock Is Located At The Top Of The Door For Convenient Security. This Model Is Designed For Built-In Installation But Can Also Be Used Freestanding. Inside, This Auto Defrost Refrigerator Includes Three Adjustable Glass Shelves. A Bottom Crisper Drawer Offers Added Storage Options. Additional Features Include An Adjustable Thermostat And A Switchable Interior Light. At Just 20" Wide, The Ff521Blbi7 Is Ideal For Any Space In Need Of Reliable Refrigeration And Can Be Perfectly Matched With Our Fs408Blbi7 All-Freezer.