Model: SD‑SET02B SET Series Hot‑Cold Therapy Combo 

Combination: Single‑Person Black‑Frame Infrared Sauna + Black Oval Cold Plunge Tub 

 SD‑SET02B is dark‑style hot‑cold therapy combo. It matches black‑frame single‑person far‑infrared sauna with black oval cold plunge tub and wooden step. Hot‑cold contrast therapy helps muscle recovery, improves circulation and relieves stress. Unified dark‑tone design fits modern home, villa and boutique spa.