Description of flexible insulated 25 mm PVC Ecosoft conduit Nather - 549242 The flexible 25 mm PVC Ecosoft insulated conduit from Nather, ideal for individual VMC installations whose network is located outside the heating volume. This insulated flexible PVC conduit is protected by a 25 mm glass wool mattress and covered with a vapor barrier made of polyethylene film. The glass wool insulates the sheath from its external environment; in the event of a temperature difference, it prevents the appearance of mold inside. For a single-flow VMC, a single-insulated duct (25mm) is sufficient, unless the duct passes through exterior or non-insulated zones, with significant temperature variations. Ideal for individual VMC installations, whether self-adjustable single flow, hygro-adjustable single flow or even double flow. It will also be suitable for an extractor and, but also for your dryer air exhausts. Description of the flexible duct for VMC Nather: Indoor application To connect your vents to an individual VMC Improved acoustic performance Avoids condensation, more water in the ducts Glass wool mat and polyethylene vapor barrier Flexible PVC conduits without formaldehyde nor phenol Characteristics of the Ecosoft PVC insulated flexible sheath: Diameter: 80 mm Sheath length: 6 m Insulation: 25 mm Mesh packaging Temperature: - 20 to 70 Glass wool A+ Warranty: 1 year Manufacturer ref ( Nather): 549242