Thermo Scientific Epoxy-Coated Full-Size Shelves 6696 are the replacement shelves for Thermo Scientific high-performance Revco and Forma laboratory refrigerators and freezers. Additional epoxy-coated, open-wire shelves are designed to fit individual cabinets. Shelves are available in full-sizes. Undercounter models use full-size only. For 23.3, 45.8, 51.1 and 78.8 cu. ft. (659, 1297, 1447 and 2231L) units.