The Ubbink Air Excellent AE48C Semi-Rigid Duct (50m) is a high-performance semi-rigid plastic ventilation duct designed for use within the Air Excellent MVHR and mechanical ventilation system range. Manufactured without additives, this flexible ductwork provides a dependable, hygienic solution for residential and light commercial airflow installations.

Supplied on a 50 metre roll, the AE48C duct is easy to route around obstacles and tight spaces, helping installers achieve a neat, efficient finish with minimal disruption. When paired with Ubbink’s modular components and mechanical connectors, it delivers a strong, airtight connection that supports reliable system performance and reduced noise.

Key Features & Benefits

• 50m roll of semi-rigid ducting for quick, efficient installation.
• DN90/75mm size (90mm outside / 75mm inside diameter).
• No additives – simple, clean duct construction.
• Low system pressure loss thanks to radial internal design.
• Airtight mechanical connections for improved system efficiency and reduced sound transfer.
• Compatible with Air Excellent modular manifolds and components (supports all 6 duct types).
• Tested and certified by TÜV SÜD and ISEGA.
• REACH compliant for trusted material safety.

Ideal For

• MVHR (Mechanical Ventilation with Heat Recovery) systems.
• New build and refurbishment ventilation installations.
• Residential houses and small commercial buildings.
• Installations requiring flexible routing around joists and services.

If you’re looking for a durable, easy-to-fit duct that helps maintain airtightness and airflow efficiency, the Ubbink AE48C semi-rigid duct is a solid choice for professional ventilation setups.