This Dongda FUL-B integrated cold water bathtub is a custom rectangular stainless steel spa pool originating from Guangdong, China. Adopting eco-friendly materials and R134a/R32 refrigerant circulating cooling system, it features stable cold water circulation and physical healthcare functions, ideal for athletes' physical recovery. It supports customized colors and modern style design, applicable for villas, apartments, gyms, hospitals and outdoor spaces. Certified with CE, RoHS and FCC, it comes with 1-year warranty, online technical support, free spare parts and return services, with 3D modeling and overall engineering solutions available.