Front optional available in solid wood: walnut 77 or oak H5, Installation only in combination with space saving siphon (# 005076 is recommended), Interior modules can not be retrofitted and are factory installed., Interior lighting systems can not be retrofitted and are factory installed., Required specification for ordering:, - Front colour, - Body colour, - interior system yes / no, - walnut 77 or natural oak H5, - Interior lighting system yes / no, - L/R/M = washbasin left, right or central possible