Filter system: Cartridge Number of seats: 5 / 6 Automatic bath filling Automatic bath draining Number of hydro jets: 40 Number of plus hydro jets: 20 Seat airpool: (40 opt) Heating system: 3Kw Ozonator Indoor and Outdoor use Upper colour therapy LED light Lower colour therapy LED light: opt Cushion: opt Fittings for heat exchanger: opt Side panels: opt Thermal cover: opt