Flexible Design Allows Built-In Or Freestanding Use In 20" Wide Spaces Save Time And Energy With Low Maintenance Automatic Defrost Factory Installed Lock Provides Security You Can Count On 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 Ff521Blbi Series Features High Performing 20" Wide All-Refrigerators Designed For Built-In Use Under Counters. The Ff521Blbi 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 Ff521Blbi Is Ideal For Any Space In Need Of Reliable Refrigeration And Can Be Perfectly Matched With Our Fs408Blbi All-Freezer.