Heater Duct High Temperature Fire Resistant Air Duct

Heater Duct High Temperature Fire Resistant Air Duct. Fire and Waterproof Design: Features flame retardancy, waterproofing, and acid/alkali resistance for harsh environments. Durable Steel Reinforcement: Equipped with strong steel rings and spiral wire for wear protection and weight bearing. Multi-Industry Application: Suitable for firefighting, HVAC, mining, shipbuilding, tunnels, and chemical industries. Certified Quality Assurance: ISO 9001, SGS, and CE certified with 100% QC inspection before shipment. Customizable Specifications: Customizable material, thickness, diameter, length, and accessories based on requirements. Flexible and Bendable: Strong toughness allows for any bending without compromising structural integrity. Factory Direct Sales: Direct from manufacturer with 10+ years experience and small MOQ options.