sound absorption duct, insulated flexible air duct, spiral air duct, ventilation hose, air ducting, commercial ventilation duct

This glass wool insulated flexible vent hose adopts reinforced laminated aluminum foil and dense glass wool filling, delivering excellent vapor-proof, anti-aging, heat insulation and noise damping performance. Built-in helix steel wire enables flexible routing and on-site cutting, adapting to complicated installation environments. This flexible insulated pipe is an economical, durable ventilation solution widely adopted in central air conditioning and fresh air ductwork for residential, commercial and industrial HVAC projects. Low air leakage and flame retardant properties ensure stable, safe long-term ventilation operation.