Summit 4.8 Cu. Ft. Outdoor Beverage Center - Stainless Steel - SPR6OS. SPR6OS. Outdoor Compact Refrigerators. With innovative design and superior construction, Summit refrigeration products are finely crafted inside and out. This outdoor 4. 8 cubic foot refrigerator features a hidden evaporator system set behind the rear wall for a seamless and easy to clean interior. The hidden evaporator also allows you to wipe down the back without having to get between crevices or touch any machinery. The refrigerator has a locking door, four chrome shelves, digital thermostat dial and interior light. The fully finished stainless steel cabinet allows the 100 percent CFC free refrigerator to be freestanding.