
Pre-Conditioned Air Conditioner Insulation Ventilation Flexible Air Duct. Wide Temperature Resistance: Standard range -15 to 100 degrees Celsius, optional -45 to 300 degrees Celsius. Flexible 90-Degree Bending: Can turn 90 degrees for efficient air delivery in complex spaces. Customizable Dimensions: Inner diameter 90mm-1300mm and length 1m-30m tailored to requirements. Global Certifications: Passed ISO 9001, SGS, and CE certification authorities. OEM and ODM Support: Customization available for material, thickness, diameter, and accessories. Energy Saving Efficiency: Greatly saves energy consumption of heating and refrigeration equipment. Diverse Application Scenarios: Used in airports, shipbuilding, tunnels, fire smoke, and grain storage. Factory Direct Sales: Direct from Foshan NuoWei Ventilation Co., Ltd. with 10+ years experience.