Not required., Z811DU0: Acoustics filter., Z821PD1: Plinth diffusor., Z821VR1: Clean Air Plus odor filter (replacement)., Z861KE1: Exhaust kit., Z861KR0: Recirculation kit 2 L-bow (70 cm)., Z861KR1: Recirculation kit S and L-bow (60 cm)., Z861KR2., Z861SB1: 90° flat duct bend horizontal., Z861SB2: 90° flat duct L vertical., Z861SB3: 90° flat duct M vertical., Z861SB4: 90° flat duct S vertical., Z861SI0: Adapter round-flat., Z861SI1: 90° Adapter round-flat., Z861SM1: Straight tube 500 mm., Z861SM2: Straight tube 1000 mm., Z861SS1: Connector sleeve (female)., Z861SS2: Flex sleeve (female)., Z9301CO10., Z9401FF0: Flex Pan, large., Z9401TY0: Teppan yaki., Z9403FF0: Flex Pan set, 3 pcs., Z9404FF0: Flex Pan set, 4 pcs., Z9404SE0: 4 pieces set., Z9406SE0: 6 pieces set., Z9410ES0., Z9410X1: Stainless steel roaster with glass lid., Z9415X1: Steaming rack for stainless steel roaster., Z9416X2: Griddle plate., Z9417X2: Teppan yaki (large)., Z9428FE0: Iron pan Ø 18/ 28 cm., Z943SE0: Set of 2 pots and 1 pan., Z9801TWBY0: Twist Pad Flex, Brushed Bronze., Z9802PFBY0: Flex Design trims hob Brushed Bronze.