Summit Commercial 21 1/2-Inch 1.6 Cu. Ft. Built-In Drawer Refrigerator - Custom Panel Ready - FF1DSS. FF1DSS. Outdoor Compact Refrigerators. The Summit FF1DSS is a single drawer all-refrigerator that meets NSF-7 and UL-471 commercial standards and is also approved for residential settings. At just 21.5 inches wide, it has a front-breathing design that allows built-in installation, while the fully finished black cabinet also enables freestanding use. Its versatile 304 grade stainless steel drawer