TECHNICAL SPECIFICATIONS Dimensions (cm): 150 x 70 x 57, 160 x 70 x 57, 170 x 70 x 57 Volume (m3): 0.17, 0.18, 0.19 Mass (kg): 16, 19, 22 Capacity (liters): 170, 180, 190 Supported load (kg): 390, 400, 410 POSSIBILITY OF EQUIPPING Overflow siphon Front mask Side mask Profiled support / Universal support Hydromassage system 1 (4 large nozzles, 3 small nozzles) / Hydromassage system 2 (6 large nozzles, 5 small nozzles) Air massage system Chromotherapy system Disinfection system Suction cup bath pillow Waterfall battery The bath pillows and handles are part of the tub model.