... spa(outdoor hot tub): 1) Certification: CE,ROHS,ISO,SAA 2) Shell: Aristech acrylic from USA 3) Size: 10000*2240*1420mm ... )15m3Ozone1pcTotal power17.5KWwhy Mexda? 1) Certification: CE, ROHS, ISO, SAA 2) Shell acrylic options: Aristech acrylic from USA or acrylic from ... .44M31820 KGS1928 KGS1 pc1pcs swim spa(outdoor hot tub) WS-S10(CE,SAA,ROHS)