Sharp Medium-Duty Commercial Microwave Oven R-21LTFIf you're looking for a tried, tested, and proven Microwave Oven for medium duty applications, then look no further. This Sharp R 21LTF has been designed to defrost, heat up, or cook small food items for a variety of applications, including use in break rooms, hospitals, convenience stores, and gas stations. The exterior and interior have been made of stainless steel, increasing its durability and making it super easy to clean. This R 21LTF has been