Delfield 18672PTB (16.77 cu. ft.) Commercial Refrigerator - The Delfield 18672PTB (16.77 cu. ft.) Commercial Refrigerator has 2 shelves and a capacity of 16.77 cu. ft. Delfield delivers custom design at an off-the shelf price, with the industry's widest selection of options. You get nothing less than you need. And you pay for nothing more.