The BO 221 oven from Gaggenau The wide, side-opening glass door extends the full height of the oven. The tempered glass is available in a stainless steel or aluminum look (shown here). The LCD function display is integrated into the door with control knobs and touch-sensitive keys for easy operation. The oven is 60 cm wide and features a usable interior volume of 67 l, the largest in its class. Halogen lighting from above. Nine heating modes, plus an optional baking stone with its own heating element. Accurate electronic temperature control from 50° C to 300° C. Pyrolytic self-cleaning program.