Sienna Pro, part of the Professional Line Experience collection, mantains a water level always up to the edge level and an exclusive filtering system. Some of the main features include: 15° tilted grid, idro jets with stainless steel jet fittings, adjustable-colour underwater LED lighting, aromatherapy (only in Blower version), a water heating system and the noiseless technology. The shell is featured by an easy-to-install metal frame, while jets and seats are placed in order to create a wellness treatment, alterning relaxing breaks and massages. Sienna comes in several colours and finishes from the catalogue.