The Premium series, inspired by the American tradition and suitable for floorstanding installation, features a rich equipment: radio, chromotherapic waterfalls and rounded seats for the maximum comfort. Premium hot tubs’ main features are the cartridge filter, the wooden frame and the full-foam lining, that ensures a high termic insulation, supporting the shell at the same time. The synthetic wood panels are UV-resistant. the Premium hot tubs come in several colours and finishes. Advertised in the picture is J-315, three-seater hot tub, included in the J-300 line.