Thetford 623867 Upper/Lower Black Acrylic Door Panels Kit DE0061 for NR751 & NR740 Refrigerators Upgrade the look of your Thetford NR751 and NR740 refrigerators with the Thetford 623867 Upper/Lower Black Acrylic Door Panels Kit DE0061. Made from durable black acrylic, these door panels are designed to fit perfectly and seamlessly blend with your refrigerators design. The kit includes both upper and lower panels, allowing you to completely transform the appearance of your refrigerator. With easy installation, you can quickly and effortlessly give your refrigerator a sleek and modern look. Enhance the overall aesthetic of your kitchen or RV with the Thetford 623867 Upper/Lower Black Acrylic Door Panels Kit DE0061.