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| Customization: | Available |
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| Material: | Galvanized Sheet |
| Usage: | for Air Conditioner, HVAC |
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Pre-insulated spiral duct (also known as pre-insulated round duct or double-wall insulated spiral pipe) is a modern HVAC (Heating, Ventilation, and Air Conditioning) solution that combines the aerodynamic efficiency of traditional spiral ductwork with factory-applied thermal insulation. Unlike standard single-wall spiral ducts, which require on-site insulation wrapping or lining, pre-insulated versions arrive ready-to-install with insulation integrated during manufacturing. This eliminates the need for separate insulation steps, reducing labor and ensuring consistent performance.
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