Whale Air Duct Fitting Reducer 90mm x 65mm Black - DX9013B

Whale 90 mm × 65 mm Duct Reducer — Black (DX9013B)

The Whale 90 mm × 65 mm Duct Reducer (Black) — DX9013B is a genuine ventilation and heating duct accessory designed for use in caravan, motorhome, campervan, and leisure vehicle HVAC systems. It provides a transition between larger 90 mm ducting and smaller 65 mm duct runs, allowing you to step down airflow while maintaining a tidy, secure connection. 

Key Features

• 📏 90 mm × 65 mm Transition – Provides a secure connection between 90 mm and 65 mm duct sizes.

• 🛠 Genuine Whale Accessory – Engineered to fit Whale duct systems precisely.

• 🚐 Optimised Airflow Management – Helps route airflow into smaller branches from larger main ducts.

• 🔧 Push-Fit Installation – Easy and secure attachment between duct runs of differing diameters.

• 🖤 Black Finish – Neutral colour that blends with most HVAC duct work in vehicles.

Typical Applications

This duct reducer fitting is ideal for:

• Connecting larger 90 mm duct runs to smaller 65 mm duct lines

• Feeding secondary vents from a main HVAC trunk

• Caravan and motorhome ducted heating systems

• Ventilation runs where airflow changes size for space or performance reasons

The reducer makes it easy to adapt differing duct sizes while maintaining airflow efficiency and a neat professional look.

Technical Specifications

• Brand: Whale

• Part Number: DX9013B

• Type: Duct Reducer / Transition Fitting

• Inlet Diameter: 90 mm

• Outlet Diameter: 65 mm

• Colour: Black

• Application: Caravan & motorhome HVAC systems

• Material: Durable plastic built for ventilation and heating duct use

Why Buy This Duct Fitting?

• ✔ OEM quality and fitment – Designed for compatibility with Whale duct components.

• ✔ Smooth size transition – Ensures efficient airflow when stepping down duct size.

• ✔ Durable construction – Built to withstand vehicle HVAC conditions.

• ✔ Easy to install – Push-fit design simplifies duct transitions.

Using the correct duct reducer helps ensure your HVAC duct network is flexible, efficient, and professional-looking, enhancing comfort and airflow distribution in your caravan or motorhome.