
Solid Wood 4 People 180*150*190 Cm Steam Sauna Room 3. FSC-Certified Hemlock Wood: Premium solid wood construction, eco-friendly and naturally resistant to moisture. Carbon Crystal Far-Infrared Heaters: High thermal efficiency with ultra-low EMF emission for deep-tissue penetration. Smart Digital Control & Bluetooth: Integrated touch panel with high-fidelity stereo speakers for entertainment. Quick-Fit Modular Design: Tongue-and-groove system allows 2-person installation in under 30 minutes. Safety & Energy Efficiency: Explosion-proof glass door with overheat auto-shutoff protection. 304 Stainless Steel Hardware: Marine-grade handles and hinges resist rust and corrosion in humid environments. Full OEM/ODM Customization: Flexible options for dimensions, wood species, voltage, and branding. Comprehensive Certifications: Passes EU CE, ETL, SAA, RCM, PSE, KTL, COC, ROHS, and ISO14001.