The GE PB978ST-SS 6.6 CuFt total oven capacity Large capacity is ideal for big meals. True European convection with precise air accurate heat circulation ensures evenly baked foods. 12"/9"/6" tri-ring element three heating elements in one offer flexibility. 8"/5" dual element two heating elements in one offer flexibility. Heavy-duty roller rack provides easy access to oven interior. NextStep controls Illuminating controls simplify display operation. Slow cook mode Provides ideal conditions for slow cook meals.