The Combi Ovens model C4 ET 20.20EB by Convotherm. Convotherm Combi Oven/Steamer, electric, steam generator, roll-in, (20) 18 x 26 full size sheet pan or (40) 12 x 20 x 2-1/2 hotel pan capacity, 9 easyTouch control panel, 20 stages each & 399 cooking...