FEATURES AND OPTIONALSFILTER SYSTEM: SANDNUMBER OF SEATS: 5/6AUTOMATIC BATH FILLINGAUTOMATIC BATH DRAININGNUMBER OF UPPER HYDRO JETS: 24NUMBER OF LOWER HYDRO JETS: (16 OPT)HEATING SYSTEM: 3KWOZONATOR: OPTIONALUPPER COLOUR THERAPY LED LIGHT: OPTIONALLOWER COLOUR THERAPY LED LIGHT: OPTIONALCUSHION: OPTIONALFITTINGS FOR HEAT EXCHANGE: OPTIONALSIDE PANELS: OPTIONALTHERMAL COVER: OPTIONAL